is 2 932567 - 1
has 280731 decimal digits
takes 0.023 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L30A086AD77F7E071double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26863.914870.5882%5000000012636914390102,422.579221.8857%2,486.494177.0252%6.4370%
PrimeNet2400.000050.0000%80003600000.001023.4042%0.001061.7021%11.7021%
GPU722440.000054.5455%150006000000.001618.0559%0.001762.7527%8.2072%
Difference+24+63.9148+16.0428%+49985000+1263690839010+2,422.5776+3.8298%+2,486.4924+14.2725%-1.7702%

Known prime factors (1 factor, 105.0 bits, 0.01126043% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9325674087595188931116031848255334887932105.01121915825827694503621982417
33 × 11 × 41941 × 1759391987613713221
2022-11-114194117593919876137132211.716e+113.371e+96.295e+9

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-08T00:00:00ANONYMOUSv4_computers2000200000---0.000--0.171%
2002-02-24T00:00:00ANONYMOUSv4_computers4096409600---0.001--0.373%
2002-04-28T00:00:00ANONYMOUSv4_computers8192819200---0.002--0.685%
2002-05-25T00:00:00ANONYMOUSv4_computers163841638400---0.004--1.129%
2002-07-27T00:00:00ANONYMOUSv4_computers327683276800---0.007--1.713%
2002-12-31T00:00:00ANONYMOUSv4_computers655366553600---0.015--2.435%
2003-09-09T00:00:00ANONYMOUSv4_computers13107213107200---0.029--3.283%
2011-06-01T21:43:00Jocelyn LaroucheManual testing200000200000---0.007--1.019%
2011-07-14T16:35:00Jocelyn LaroucheManual testing218219218219---0.008--1.067%
2011-09-18T03:01:00Jocelyn LaroucheManual testing363699363699---0.013--1.380%
2012-01-09T00:59:00Jocelyn LaroucheManual testing727399727399---0.026--1.884%
2013-10-17T18:15:00David Campeaui5-2500k87000026100000---0.079--5.028%
2014-08-01T11:34:00alpertronManual testing10000000500000000---1.290--9.852%
2022-08-17T02:35:21axnManual testing500000001263691439010---2,423--21.886%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2022-11-11T00:18:12masserManual testing20000007200000019167--0.238
2022-11-11T15:43:17masserManual testing800000040000000027--1.164
2022-11-11T19:46:38masserManual testing400000017200000065P+132105.0110.529


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-06-28T00:00:00ANONYMOUSv4_computers21255--0.005--
2000-06-29T00:00:00ANONYMOUSv4_computers21255--0.005--
2000-12-07T00:00:00ANONYMOUSv4_computers21256--0.010--
2001-10-20T00:00:00ANONYMOUSv4_computers21257--0.021--
2003-08-25T00:00:00ANONYMOUSv4_computers21258--0.041--
2016-02-23T16:28:17Mark RoseManual testing258260--0.124--
2010-05-22T23:50:00Architects Cubeda3_bu2260261--0.165--
2014-08-14T08:30:00lycornManual testing261262--0.329--
2015-09-19T11:37:00Gordon SpenceManual testing262263--1.053--
2015-09-19T11:37:00Gordon SpenceManual testing263264--2.105--
2015-12-30T07:51:49lycornManual testing264265--4.007--
2018-01-05T04:27:05Smok_bmvManual testing265266--8.013--
2018-01-05T04:27:05Smok_bmvManual testing266267--16.03--
2018-01-05T04:27:05Smok_bmvManual testing267268--32.05--


ECM factoring results:
Total ECM effort:25.916 GHz-days
Estimated T-Level:25.941
DigitsB1CompleteFacMiss
201100015.5200.000%
25500001.98613.720%
302500000.18882.838%
3510000000.01498.565%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002005.641
25000025000000415.782
25000050000000163.074
2500002354190302011.42


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-12-01T00:00:00ANONYMOUSv4_computers30A086AD77F7E0710.023
2015-04-11T21:16:00MadPooManual testing30A086AD77F7E0710.023


PRP results:
dateuseridcompidcofactorsres64PRP
2022-11-11T21:48:23Kevin_9611PRP-CF
40875951889311160318482553348879
30863A44BD0DC1FEno


P-1 factor-bounds graph:
B1 = 50000000, B2 = 1263691439010 (P-1 stage 2)
B1 = 50000000 (P-1 stage 1)
B1 = 10000000, B2 = 500000000 (P-1 stage 2)
B1 = 4000000, B2 = 172000000 (P+1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 4000000 (P+1 stage 1)
B1 = 870000, B2 = 26100000 (P-1 stage 2)
B1 = 870000 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 727399 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 363699 (P-1 stage 1)
B1 = 218219 (P-1 stage 1)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
B1 = 131072 (P-1 stage 1)
B1 = 16384, B2 = 1638400 (P-1 stage 2)
B1 = 65536 (P-1 stage 1)
B1 = 8192, B2 = 819200 (P-1 stage 2)
B1 = 32768 (P-1 stage 1)
B1 = 4096, B2 = 409600 (P-1 stage 2)
B1 = 16384 (P-1 stage 1)
B1 = 2000, B2 = 200000 (P-1 stage 2)
B1 = 8192 (P-1 stage 1)
B1 = 4096 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-11-11T21:48:23+00:00