M100 621 Mersenne number exponent details

is 2 ¹⁰⁰⁶²¹ - 1

has 30290 decimal digits

takes 0.000 GHz-days to do one PRP test

Exponent is not assigned to anyone

	Trial Factoring	P-1 Factoring	Combined
Limit	GHz-days	Probability	B1	B2	GHz-days	Probability	GHz-days	Probability
Actual	2⁶⁷	295.3053	74.6269%	1000000000	6559833710430	1,154.6619	25.4522%	1,449.9672	81.0849%
Target	2⁴⁴	0.0000	61.3636%	1200	18000	0.0000	4.1530%	0.0000	62.9682%
Difference	+23	+295.3053	+13.2632%	+999998800	+6559833692430	+1,154.6619	+21.2992%	+1,449.9672	+18.1167%

	P-1	GHz-days
exponent	factor	digits	bits*	k	date found	min B1	min B2	min. TF	min. P-1	normal P-1
100621	1523900957325809396765099761	28	90.300	7572479687768007656280 2³ × 3³ × 5 × 7² × 13 × 19 × 71 × 229 × 35630957833	2010-02-15	229	35630957833	3.625e+9	6.2552	11.683

P-1 results:

										GHz-Days		worth	Factor probability
date	userid	compid	b1	b2	e	stage	factor	digits	bits*	spent	saved	worth	Factor probability
2000-11-25	ANONYMOUS	v4_computers	1000000	25000000		-		-	-	0.007	-	-	4.289%
2002-06-02	ANONYMOUS	v4_computers	32768	3276800		-		-	-	0.001	-	-	1.315%
2002-07-20	ANONYMOUS	v4_computers	65536	6553600		-		-	-	0.001	-	-	1.925%
2003-02-02	ANONYMOUS	v4_computers	131072	13107200		-		-	-	0.003	-	-	2.662%
2003-09-21	ANONYMOUS	v4_computers	262144	26214400		-		-	-	0.005	-	-	3.516%
2016-10-31	kkmrkkblmbrbk	Manual testing	100000000	2000000000	12	-		-	-	0.656	-	-	11.729%
2021-12-17	Seth_Tr	Manual testing	1000000000	6559833710430		-	skipped known factor: 1523900957325809396765099761	-	-	1,155	-	-	25.452%

Trial Factoring results:

			Bits		Factor			GHz-Days		worth
date	userid	compid	from	to	factor	bits*	digits	spent	saved	worth
1999-09-14	ANONYMOUS	v4_computers	2⁵²	2⁵³		-	-	0.006	-	-
1999-12-30	ANONYMOUS	v4_computers	2⁵³	2⁵⁴		-	-	0.012	-	-
2000-12-07	ANONYMOUS	v4_computers	2¹	2⁵⁵		-	-	0.048	-	-
2000-12-07	ANONYMOUS	v4_computers	2¹	2⁵⁶		-	-	0.095	-	-
2000-12-14	ANONYMOUS	v4_computers	2¹	2⁵⁶		-	-	0.095	-	-
2002-04-20	ANONYMOUS	v4_computers	2¹	2⁵⁷		-	-	0.191	-	-
2018-10-25	J.R. Allen	Manual testing	2⁵²	2⁵⁷		-	-	0.185	-	-
2022-04-13	LordJulius	Manual testing	2¹	2⁵⁷		-	-	0.191	-	-
2022-03-07	LordJulius	Manual testing	2⁵⁷	2⁵⁸		-	-	0.191	-	-
2009-01-04	Sturle Sunde	ginglo.ifi	2⁵⁸	2⁵⁹		-	-	0.382	-	-
2022-04-13	LordJulius	Manual testing	2⁵⁸	2⁵⁹		-	-	0.382	-	-
2009-01-23	Sturle Sunde	gonzo.ifi	2⁵⁹	2⁶⁰		-	-	0.763	-	-
2022-04-13	LordJulius	Manual testing	2⁵⁹	2⁶⁰		-	-	0.763	-	-
2022-04-13	LordJulius	Manual testing	2⁶⁰	2⁶¹		-	-	1.526	-	-
2022-04-13	LordJulius	Manual testing	2⁶¹	2⁶²		-	-	3.053	-	-
2022-10-23	LordJulius	Manual testing	2⁶²	2⁶³		-	-	9.76	-	-
2022-10-23	LordJulius	Manual testing	2⁶³	2⁶⁴		-	-	19.51	-	-
2022-10-23	LordJulius	Manual testing	2⁶⁴	2⁶⁵		-	-	37.13	-	-
2022-10-23	LordJulius	Manual testing	2⁶⁵	2⁶⁶		-	-	74.27	-	-
2022-10-23	LordJulius	Manual testing	2⁶⁶	2⁶⁷		-	-	148.5	-	-

ECM factoring results:

Total ECM effort:	12.081 GHz-days
Estimated T-Level:	30.751

Digits	B1	Complete	FacMiss
20	11000	72.245	0.000%
25	50000	12.040	0.001%
30	250000	1.497	22.385%
35	1000000	0.150	86.058%
40	3000000	0.013	98.738%

ECM Summary

B1	B2	factor	curves	GHz-days
		1523900957325809396765099761	1	0.00000e+0
50000	5000000		4	0.009
250000	25000000		584	6.779
1000000	100000000		114	5.293

	GHz-Days
date	userid	compid	b1	b2	factor	bits*	curve#	stage#	sigma	numcurves	spent
2009-03-21	eteo	stephanie	250000	25000000						150	1.741
2010-02-15	ANONYMOUS	Manual testing			1523900957325809396765099761	90.300		1		1	-
2010-02-17	Rob_Dee	twopc	50000	5000000						1	0.002
2010-02-17	Rob_Dee	twopc	50000	5000000						1	0.002
2010-02-17	Rob_Dee	twopc	50000	5000000						1	0.002
2010-02-17	Rob_Dee	twopc	250000	25000000						1	0.012
2010-02-18	Rob_Dee	twopc	250000	25000000						1	0.012
2010-02-18	Rob_Dee	twopc	250000	25000000						1	0.012
2014-06-09	TJAOI	Manual testing	50000	5000000						1	0.002
2017-01-28	kkmrkkblmbrbk	kel1	250000	25000000						431	5.003
2019-01-24	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-01-30	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-02-05	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-02-11	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-02-17	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-02-23	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-03-01	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-03-07	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-03-11	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-03-18	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-03-25	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-03-31	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-04-06	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-04-13	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.139
2019-04-23	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-04-30	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-05-08	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-05-15	Niels_Mache_Nextcloud	SuperDry-X	1000000	100000000						3	0.139
2019-05-25	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-06-05	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-06-16	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-06-28	Niels_Mache_Nextcloud	SuperDry-JP	1000000	100000000						3	0.139
2019-07-23	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-07-30	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-08-07	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-08-14	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-08-21	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.139
2019-08-28	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-09-05	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-09-12	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.139
2019-09-20	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.139
2019-09-27	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-10-04	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-10-12	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-10-19	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.139
2019-10-26	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139
2019-11-03	Niels_Mache_Nextcloud	SuperDry3	1000000	100000000						3	0.139
2019-11-10	Niels_Mache_Nextcloud	SuperDry-Y	1000000	100000000						3	0.139

Lucas-Lehmer results:

date	userid	compid	res64	spent (GHz-days)
1997-01-01	Robert Clark		55119ADD33EBFD18	0.000

PRP results:

date

userid

compid

cofactors

res64

PRP

2017-09-21

Oliver Kruse

PRP

1523900957325809396765099761

DB957AFF6002D5__

2017-09-21

Oliver Kruse

Manual testing

1523900957325809396765099761

DB957AFF6002D5__

2017-10-13

kkmrkkblmbrbk

Manual testing

1523900957325809396765099761

DB957AFF6002D5__

2020-04-17

Oliver Kruse

AddPrpType5

1523900957325809396765099761

A328A60B104543__

2022-04-15

LordJulius

WhiteBox

1523900957325809396765099761

A328A60B104543BF

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 = 1000000000, B2 = 6559833710430 (P-1 stage 2)

B1 = 1000000000 (P-1 stage 1)

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

B1 = 100000000 (P-1 stage 1)

B1 = 1000000, B2 = 25000000 (P-1 stage 2)

B1 = 262144, B2 = 26214400 (P-1 stage 2)

B1 = 1000000 (P-1 stage 1)

B1 = 131072, B2 = 13107200 (P-1 stage 2)

B1 = 65536, B2 = 6553600 (P-1 stage 2)

B1 = 262144 (P-1 stage 1)

B1 = 32768, B2 = 3276800 (P-1 stage 2)

B1 = 131072 (P-1 stage 1)

B1 = 65536 (P-1 stage 1)

B1 = 32768 (P-1 stage 1)

10¹

10²

10³

10⁴

10⁵

10⁶

10⁷

10⁸

10⁹

10¹

10²

10³

10⁴

10⁵

10⁶

10⁷

10⁸

10⁹

10¹⁰

10¹¹

10¹²

10¹³

TF factor-bounds graph:

2⁶⁷

2⁶⁶

2⁶⁵

2⁶⁴

2⁶³

2⁶²

2⁶¹

2⁶⁰

2⁵⁹

2⁵⁸

2⁵⁷

2⁵⁶

2⁵⁵

2⁵⁴

2⁵³

this exponent TF target: 44

TF double-checked to: 67.7

ECM T-Level=30.75 ~= 86-bit

2⁵⁰

2⁶⁰

2⁷⁰

2⁸⁰

2⁹⁰

2¹⁰⁰

Last modified: 2023-03-23T17:39:31+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