M41 281 Mersenne number exponent details

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M41281

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is 2 ⁴¹²⁸¹ - 1

has 12427 decimal digits

takes 0.000 GHz-days to do one PRP test

Last-known PrimeNet details:

Exponent is not assigned to anyone

0 primality tests remaining

	Residue	Status
L-L	-unknown-	-unknown-
PRP	-unknown-	-unknown-

	Trial Factoring			P-1 Factoring				Combined
	Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	unknown			880000000	789367261292610	44,518.9821	70.6421%	44,518.9821	70.6421%
Target	2⁴⁴	0.0001	63.6364%	500	50000	0.0000	1.9303%	0.0001	64.3383%
Difference	-44	-0.0001	-63.6364%	+879999500	+789367261242610	+44,518.9821	+68.7119%	+44,518.9821	+6.3039%

Known prime factors (2 factors, 154.0 bits, 0.37301059% known):

Remaining cofactor is not a probable-prime

						P-1		GHz-days
exponent	factor	digits	bits*	k	date found	min B1	min B2	min. TF	min. P-1	normal P-1
41281	5153147621733258688657	22	72.126	62415489229103688 2³ × 3 × 17 × 7207 × 10667 × 1989919	2014-04-23	10667	1989919	38,152	0.0001	0.0002
41281	4378032431688941581746929	25	81.857	53027209027021409144 2³ × 31 × 577 × 53269 × 6956595181	2009-04-22	53269	6956595181	19,679,905	0.3924	0.7328

exponent	prime factors	composite factor	digits	bits*
41281	5153147621733258688657 4378032431688941581746929	22560647413228944643745214436365941525776884353	47	153.983

1 Composite Factors:

P-1 results:

										GHz-Days		worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved	worth	Factor probability
2016-09-13	kkmrkkblmbrbk	Manual testing	100000000	2000000000	12	-	skipped known factor: 5153147621733258688657	-	-	0.211	-	-	39.141%
2021-12-21	Lisander Viaene	Manual testing	1000000000	1000000000		-	skipped known factor: 5153147621733258688657	-	-	1.035	-	-	34.679%
2023-04-08	JacobZ	MServer	880000000	789367261292610		-	skipped known factor: 5153147621733258688657 skipped known factor: 4378032431688941581746929	-	-	44,519	-	-	70.642%

P+1 Factoring results:

date	userid	compid	b1	b2	start		factor	Smooth	digits	bits*	ghz-days
2021-04-27	gLauss	laptop-klaus	10000000	1000000000	2	7			-	-	0.071

Trial Factoring results:
No TF results for M41281

ECM factoring results:

Total ECM effort:	56.558 GHz-days
Estimated T-Level:	35.676

Digits	B1	Complete	FacMiss
20	11000	357.795	0.000%
25	50000	68.933	0.000%
30	250000	10.477	0.003%
35	1000000	1.302	27.191%
40	3000000	0.135	87.346%
45	11000000	0.012	98.807%

ECM Summary

B1	B2	factor	curves	GHz-days
		4378032431688941581746929	1	0.00000e+0
50000	5000000		259	0.193
250000	25000000		583	2.171
1000000	100000000		1,669	24.86
3000000	11486324850		50	29.33

	GHz-Days
date	userid	compid	b1	b2	factor	bits*	curve#	stage#	sigma	numcurves	spent
2009-04-22	Matthias Wurtinger	WUR_E6600	50000	5000000						6	0.004
2009-04-22	Matthias Wurtinger	WUR_E6600			4378032431688941581746929	81.857		1		1	-
2010-04-27	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-27	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-28	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-29	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-29	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-29	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-30	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-30	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-30	James Hintz	09_122109	50000	5000000						11	0.008
2010-04-30	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-01	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-01	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-01	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-01	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-02	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-02	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-02	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-02	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-03	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-03	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-03	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-03	James Hintz	09_122109	50000	5000000						11	0.008
2010-05-04	James Hintz	09_122109	50000	5000000						11	0.008
2011-01-23	James Hintz	NEW_OMFG	250000	25000000						3	0.011
2011-02-19	James Hintz	17_051310	250000	25000000						11	0.041
2011-03-02	James Hintz	13_052010	250000	25000000						11	0.041
2016-08-19	TJAOI	Manual testing	250000	25000000						18	0.067
2016-08-26	kkmrkkblmbrbk	old	250000	25000000						540	2.011
2016-08-26	kkmrkkblmbrbk	old	1000000	100000000						20	0.298
2018-09-26	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-09-27	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-09-28	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-09-30	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-01	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-10-02	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-04	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-06	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-07	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-10-08	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-09	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-10-10	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-10-11	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-10-13	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-10-14	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-10-17	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-10-19	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-20	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-10-24	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-10-25	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-26	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-27	storm5510	7700_Kaby_Lake	1000000	100000000						3	0.045
2018-10-29	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-10-29	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-10-31	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-01	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-02	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-11-04	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-05	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-11-07	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-11-08	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-11-10	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-11-11	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-12	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-13	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-14	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-11-16	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-16	Ducho_YYZ	Pantalaimon	1000000	100000000						3	0.045
2018-11-17	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-18	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-20	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-21	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-22	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-23	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-25	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-11-27	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-11-28	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-11-30	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-12-01	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-12-03	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-05	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-06	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-12-08	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-10	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-12-11	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-13	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-14	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-12-16	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-18	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-20	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-12-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-12-23	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2018-12-25	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-27	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2018-12-29	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2018-12-31	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-02	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-01-04	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-06	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-01-08	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-10	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-01-12	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-01-13	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-01-14	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-16	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-01-18	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-19	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-21	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-24	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-26	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-01-28	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-01-30	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-02-01	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-02-04	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-02-06	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-02-08	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-02-11	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-02-13	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-02-15	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-02-17	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-02-20	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-02-22	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-02-24	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-02-27	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-01	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-03	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-05	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-08	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-09	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-03-11	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-13	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-03-15	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-18	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-03-21	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-23	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-26	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-28	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-03-31	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-04-02	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-04-04	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-04-07	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-04-09	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-04-11	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-04-15	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-04-19	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-04-23	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-04-25	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-04-28	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-05-01	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-05-04	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-05-07	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-05-10	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-05-12	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-05-15	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.045
2019-05-18	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-05-22	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-05-26	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-05-30	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-04	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-08	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-12	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-16	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-21	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-25	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-06-29	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.045
2019-07-15	Niels_Mache_Nextcloud		1000000	100000000						3	0.045
2019-07-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-07-25	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-07-28	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-07-31	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-02	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-05	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-08	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-11	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-13	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-08-19	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-22	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-24	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-27	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-08-30	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-02	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-04	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-09-07	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-10	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-13	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-16	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-18	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-21	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-24	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-27	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-09-30	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-02	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-10-05	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-08	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-10-11	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-10-14	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-16	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-19	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-10-25	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-28	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-10-30	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-02	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-05	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-07	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-10	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-16	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-16	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-17	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-18	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-18	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-18	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-18	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.045
2019-11-18	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-19	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-19	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-20	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-20	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-23	Benno1308	Rig01	1000000	100000000						3	0.045
2019-11-23	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-24	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-24	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-25	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-25	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-26	Yuji HASEGAWA	sx1w7	1000000	100000000						3	0.045
2019-11-27	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-27	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-28	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-29	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-29	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-11-30	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-01	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-02	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-02	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-03	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-04	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-05	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-06	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-06	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-07	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-08	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-09	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-10	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-11	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-13	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-14	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-15	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-18	French	Evan_s	1000000	100000000						3	0.045
2019-12-18	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-19	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-20	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-23	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-24	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-25	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-26	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-27	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-29	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-30	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2019-12-31	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-01	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-02	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-03	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-04	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-06	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-07	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-08	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-09	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-11	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-13	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-14	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-17	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-18	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-20	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-24	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-25	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-26	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-28	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-29	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-30	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-01-31	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-01	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-03	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-05	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-06	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-07	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-09	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-10	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-14	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-15	Alex Kruppa	lily	1000000	100000000						3	0.045
2020-02-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-18	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-19	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-22	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-24	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-26	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-28	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-02-29	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-02	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-04	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-05	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-06	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-08	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-09	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-10	Naegi Makoto	4210	1000000	100000000						3	0.045
2020-03-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-13	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-15	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-16	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-18	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-20	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-03-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.045
2020-04-14	Alex Kruppa	lily	1000000	100000000						3	0.045
2020-04-28	Alex Kruppa	lily	1000000	100000000						3	0.045
2020-05-12	Alex Kruppa	lily	1000000	100000000						3	0.045
2020-06-08	Meng-Hsuan Wu	MacBook_Pro_2016	1000000	100000000						3	0.045
2020-11-10	Klaus Nordmann	no1	1000000	100000000						7	0.104
2021-10-10	debrouxl	Manual testing	1000000	100000000						350	5.213
2021-10-19	debrouxl	Manual testing	1000000	100000000						350	5.213
2023-06-27	nordi	sweet16_30.9b3	3000000	11486324850						50	29.33

Lucas-Lehmer results:
No L-L results for M41281

PRP results:

date

userid

compid

cofactors

res64

PRP

2017-09-21

Oliver Kruse

Oliver-PC

69CEA30684A3CA__

?

2017-09-21

Oliver Kruse

Manual testing

69CEA30684A3CA__

?

2017-10-02

kkmrkkblmbrbk

Manual testing

5153147621733258688657

4378032431688941581746929

69CEA30684A3CA__

no

2017-12-07

ATH

xps

5153147621733258688657

4378032431688941581746929

69CEA30684A3CA__

no

2020-04-17

Oliver Kruse

Manual testing

5153147621733258688657

4378032431688941581746929

4DA3AB41E1DDEF__

no

P-1 factor-bounds graph:

X = B1; Y = B2
size of marker relates to size of factor
mouse-over any factor marker (circle) to see additional info
mouse-over any stage bound text to see additional info

B1 = 880000000, B2 = 789367261292610 (P-1 stage 2)

B1 = 1000000000 (P-1 stage 1)

B1 = 880000000 (P-1 stage 1)

B1 = 100000000, B2 = 2000000000 (P-1 stage 2)

B1 = 100000000 (P-1 stage 1)

10³

10⁴

10⁵

10⁶

10⁷

10⁸

10⁹

10³

10⁴

10⁵

10⁶

10⁷

10⁸

10⁹

10¹⁰

10¹¹

10¹²

10¹³

10¹⁴

10¹⁵

TF factor-bounds graph:

this exponent TF target: 44

TF double-checked to: 67.9

ECM T-Level=35.68 ~= 102-bit

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

2¹¹⁰

JSON version of this page

Last modified: 2023-10-02T12:12:48+00:00

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront