is 2 57676967 - 1
has 17362498 decimal digits
takes 122.243 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L350106CB38F952E3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27466.332664.8649%540000105300003.33223.6806%69.664966.1580%1.2932%
PrimeNet2692.069962.3188%260000110000002.59735.5371%4.667264.4053%2.0864%
GPU7227333.164864.3836%400000130000003.33904.0745%36.503865.8347%1.4512%
Difference+1+33.1679+0.4813%+140000-2470000-0.0068-0.3939%+33.1611+0.3233%+0.3233%

Known prime factors:
No known factors for M57676967

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-09-19T11:29:00NesowaCESS54000010530000---3.332--3.681%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.08042e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.16084e-5--
2000-06-28T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-09-30T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-12-02T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-09-21T00:00:00Team Prime Ribv4_computers21260--0.003--
2016-02-23T17:05:26Mark RoseManual testing260263--0.025--
2009-01-10T15:21:00ANONYMOUSfrosty-H263264--0.034--
2009-03-12T13:31:00S00030vd10264265--0.065--
2009-03-17T21:26:00Jon PaceJons265266--0.130--
2009-03-19T00:47:00Jon PaceJons266267--0.259--
2009-05-29T18:47:00James Hintzsheryl267268--0.518--
2011-04-29T01:56:00SAHS Physics ClubPhysics_Club_1268269--1.036--
2011-11-06T18:22:00XyzzyManual testing269270--2.073--
2011-11-06T18:22:00XyzzyManual testing270271--4.146--
2012-06-27T13:17:00BdotManual testing271272--8.292--
2012-09-01T07:31:00Jerry HallettManual testing272273--16.58--
2018-12-11T22:45:05ChuckManual testing273274--33.17--


ECM factoring results:
No ECM results for M57676967


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2013-09-08T05:28:00rmntkachyk350106CB38F952E3122.2
2020-08-22T22:07:41dmbeeson350106CB38F952E3122.2


PRP results:
No PRP results for M57676967


P-1 factor-bounds graph:
B1 = 540000, B2 = 10530000 (P-1 stage 2)
B1 = 540000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-08-22T22:07:41+00:00