Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
103080881Factored
FactorDigitsBitsDate
25433515618637223706174626732891.02021-03-11 23:47:38
P-1 factors
DateFactorB1B2
2021-03-11254335156186372237061746267385500017955000
History
DateUserTypeResult
2021-03-11Ben DeloF-PM1
Factor: 2543351561863722370617462673 / (P-1, B1=855000, B2=17955000, E=12)
2020-11-281997rj7NF
no factor from 2^75 to 2^76
2020-11-281997rj7NF
no factor from 2^74 to 2^75
2020-01-26Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-01-26Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-11-30Ryan PropperNF
no factor from 2^72 to 2^73
2014-12-21munsun_jangNF
no factor from 2^71 to 2^72
2014-07-14tmorrowNF
no factor from 2^70 to 2^71
2014-05-07Alex HenrieNF
no factor from 2^69 to 2^70
2013-09-11SMoffatNF
no factor from 2^68 to 2^69
2013-09-09willmoreNF
no factor from 2^67 to 2^68
2013-09-02willmoreNF
no factor from 2^66 to 2^67
2012-05-08RichardNF
no factor from 2^65 to 2^66
2010-08-21Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-16Torchwood InstituteNF
no factor from 2^63 to 2^64