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

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MnStatusDetails
118198903Factored
FactorDigitsBitsDate
1272881353777136730252030012786.72023-06-17 15:12:43
P-1 factors
DateFactorB1B2
2023-06-1712728813537771367302520300154800024873660
History
DateUserTypeResult
2023-06-17Smok_bmv F-PM1
Factor: 127288135377713673025203001 / (P-1, B1=548000, B2=24873660)
2022-09-29AerowNF
no factor from 2^77 to 2^78
2022-05-10TheJudgerNF
no factor from 2^76 to 2^77
2021-07-04TheJudgerNF
no factor from 2^75 to 2^76
2021-07-04TheJudgerNF
no factor from 2^74 to 2^75
2019-08-18Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2016-04-16snme2pm1NF
no factor from 2^72 to 2^73
2014-11-25snme2pm1NF
no factor from 2^71 to 2^72
2014-11-25snme2pm1NF
no factor from 2^70 to 2^71
2014-11-25snme2pm1NF
no factor from 2^69 to 2^70
2014-06-27snme2pm1NF
no factor from 2^68 to 2^69
2014-04-05snme2pm1NF
no factor from 2^66 to 2^68
2012-07-12ALSNF
no factor from 2^65 to 2^66
2010-10-14Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-13Torchwood InstituteNF
no factor from 2^63 to 2^64