is 2 5796487 - 1
has 1744917 decimal digits
takes 1.027 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LE3D8429537C544B2double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual272164.985068.0556%34000007096632270100.182910.7650%265.167971.4944%3.4388%
PrimeNet2620.106062.9032%240005500000.01353.1889%0.119564.0862%1.1830%
GPU722662.547865.1515%360008000000.01992.2780%2.567865.9454%0.7938%
Difference+6+162.4372+2.9040%+3364000+7095832270+100.1630+8.4870%+262.6002+5.5490%+2.6450%

Known prime factors (1 factor, 130.7 bits, 0.00225541% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5796487226487088475235684366551994171910465709740130.735195365821121686018071421530119804
22 × 43 × 107 × 809 × 56003 × 350503 × 2170241 × 308018531
2022-10-2321702413080185313.318e+104.83978.0544

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-09-15T00:00:00ANONYMOUSv4_computers25000243750---0.009--0.618%
2011-04-20T06:15:00harleeP4_2600650001088750---0.031--1.301%
2019-12-05T06:41:54storm5510Manual testing72000011520000---0.336--3.553%
2022-10-23T10:40:37Sid & AndyMagic_8_Ball3400000709663227040130.735100.22.055200.410.765%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-07-11T00:00:00ANONYMOUSv4_computers21262--0.106--
2009-03-25T15:36:00GrunwalderGIMPManual testing262263--0.169--
2014-11-06T20:43:00NesowaManual testing263264--0.339--
2014-11-07T02:41:00monstManual testing264265--0.645--
2015-09-10T21:55:00snme2pm1Manual testing265266--1.289--
2016-07-08T15:24:28Gordon SpenceManual testing266267--2.578--
2018-06-07T09:02:37ramgeisManual testing267268--5.157--
2020-06-26T09:46:29TJAOIManual testing268269--10.31--
2020-12-15T10:42:28-Anonymous-Manual testing269270--20.63--
2020-12-17T09:54:57-Anonymous-Manual testing270271--41.25--
2020-12-18T19:09:04-Anonymous-Manual testing271272--82.51--


ECM factoring results:
Total ECM effort:2.425 GHz-days
Estimated T-Level:1.731
DigitsB1CompleteFacMiss
20110000.34670.740%
25500000.03296.848%
302500000.00299.798%


ECM Summary

B1B2factorcurvesGHz-days
50000500000092.425


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-10-04T00:00:00ANONYMOUSv4_computersE3D8429537C544B21.027
2000-10-15T00:00:00ANONYMOUSv4_computersE3D8429537C544B21.027


PRP results:
dateuseridcompidcofactorsres64PRP
2022-10-30T04:39:12kutens
2264870884752356843665519941719104657097
0D0B797D54AEF8C0no


P-1 factor-bounds graph:
B1 = 3400000, B2 = 7096632270 (P-1 stage 2)
B1 = 3400000 (P-1 stage 1)
B1 = 720000, B2 = 11520000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
B1 = 65000, B2 = 1088750 (P-1 stage 2)
B1 = 65000 (P-1 stage 1)
B1 = 25000, B2 = 243750 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
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1010
TF factor-bounds graph:
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Last modified: 2022-10-30T04:39:12+00:00