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
120318281Factored
FactorDigitsBitsDate
10849287220074247798923672579.82023-12-06 16:30:55
P-1 factors
DateFactorB1B2
2023-12-06108492872200742477989236759300027828780
History
DateUserTypeResult
2023-12-06Smok_bmv F-PM1
Factor: 1084928722007424779892367 / (P-1, B1=593000, B2=27828780)
2022-06-20TheJudgerNF
no factor from 2^76 to 2^77
2021-07-15TheJudgerNF
no factor from 2^75 to 2^76
2021-07-15TheJudgerNF
no factor from 2^74 to 2^75
2021-06-16LOBESNF
no factor from 2^73 to 2^74
2020-10-20SRBaseNF
no factor from 2^72 to 2^73
2015-11-03caddrNF
no factor from 2^71 to 2^72
2015-11-03caddrNF
no factor from 2^70 to 2^71
2015-11-03caddrNF
no factor from 2^69 to 2^70
2015-11-03caddrNF
no factor from 2^68 to 2^69
2015-01-17caddrNF
no factor from 2^67 to 2^68
2013-04-14E.LechnerNF
no factor from 2^66 to 2^67
2012-08-03sasaki3NF
no factor from 2^65 to 2^66
2010-10-18Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-22RichardNF
no factor from 2^63 to 2^64