Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
5796487Factored
FactorDigitsBitsDate
226487088475235684366551994171910465709740130.72022-10-23 10:40:37
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-10-04Gerrit HurenkampE3D8429537C544B20
Verified (Factored)2000-10-15Sarantis PaskalisE3D8429537C544B25356665
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-10-30kutens0D0B797D54AEF8C01469148353
P-1 factors
DateFactorB1B2
2022-10-23226487088475235684366551994171910465709734000007096632270
History
DateUserTypeResult
2022-10-30Johannes NCERT
PRP Certification
Proof certified good
2022-10-30kutensC-PRP
M5796487/2264870884752356843665519941719104657097 : 0D0B797D54AEF8C0
PRP proof power = 7
PRP: Verified
Proof certified good
2022-10-23Sid & AndyF-PM1
Factor: 2264870884752356843665519941719104657097 / (P-1, B1=3400000, B2=7096632270)
2020-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2020-12-17-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-15-Anonymous-NF
no factor from 2^69 to 2^70
2020-06-26TJAOINF
no factor from 2^68 to 2^69
2019-12-05storm5510NF-PM1
B1=720000, B2=11520000
2018-06-07ramgeisNF
no factor from 2^67 to 2^68
2016-07-08Gordon SpenceNF
no factor from 2^66 to 2^67
2015-09-10snme2pm1NF
no factor from 2^65 to 2^66
2014-11-07monstNF
no factor from 2^64 to 2^65
2014-11-06NesowaNF
no factor from 2^63 to 2^64
2011-04-20USAFSSNF-PM1
B1=65000, B2=1088750, E=6
2009-03-25GrunwalderGIMPNF
no factor from 2^62 to 2^63