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

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MnStatusDetails
106178153Factored
FactorDigitsBitsDate
511433718607117649513154651447958886122340131.92021-09-15 03:34:14
P-1 factors
DateFactorB1B2
2021-09-15511433718607117649513154651447958886122389800051866000
History
DateUserTypeResult
2021-09-15Ben DeloF-PM1
Factor: 5114337186071176495131546514479588861223 / (P-1, B1=898000, B2=51866000)
2021-04-06TheJudgerNF
no factor from 2^75 to 2^76
2021-04-06TheJudgerNF
no factor from 2^74 to 2^75
2020-05-01gcardonaNF
no factor from 2^73 to 2^74
2020-03-27bayanneNF
no factor from 2^72 to 2^73
2015-01-06shaugeNF
no factor from 2^71 to 2^72
2014-05-31Andreas_TruetschNF
no factor from 2^70 to 2^71
2014-05-31-Anonymous-NF
no factor from 2^70 to 2^71
2014-05-27Andreas_TruetschNF
no factor from 2^69 to 2^70
2013-09-16g0bNF
no factor from 2^68 to 2^69
2013-09-11SMoffatNF
no factor from 2^67 to 2^68
2013-09-08SMoffatNF
no factor from 2^66 to 2^67
2012-05-14sasaki3NF
no factor from 2^65 to 2^66
2010-09-03LordJuliusNF
no factor from 2^64 to 2^65
2010-04-25GxngNF
no factor from 2^63 to 2^64