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

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MnStatusDetails
117780511Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
27995443895775246016769706888420260048939127.72023-04-26 06:49:57
P-1 factors
DateFactorB1B2
2023-04-262799544389577524601676970688842026004891000000478066680
History
DateUserTypeResult
2023-04-26Mihai PredaF-PM1
Factor: 279954438957752460167697068884202600489 / (P-1, B1=1000000, B2=478066680)
2022-05-08TheJudgerNF
no factor from 2^76 to 2^77
2021-07-02TheJudgerNF
no factor from 2^75 to 2^76
2021-02-24hktNF
no factor from 2^74 to 2^75
2019-12-05Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-12-05Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-09-19SourceBinary.comNF
no factor from 2^71 to 2^72
2015-03-22chorian11NF
no factor from 2^70 to 2^71
2015-03-22chorian11NF
no factor from 2^69 to 2^70
2015-03-22chorian11NF
no factor from 2^68 to 2^69
2015-03-22chorian11NF
no factor from 2^67 to 2^68
2014-12-11vwflat4NF
no factor from 2^66 to 2^67
2012-07-09OS1NF
no factor from 2^65 to 2^66
2010-10-12Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-12subgeniusNF
no factor from 2^63 to 2^64