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

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MnStatusDetails
154084573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
408534618622793451884332375.12024-08-11 07:33:09
History
DateUserTypeResult
2025-06-06GregF
Factor: 40853461862279345188433 / TF: 75-76
2024-08-11SRBaseF
Factor: 40853461862279345188433 / TF: 75-76*
2023-02-16SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-07-20Yves de WandelaarNF
no factor from 2^72 to 2^73
2017-07-18ITSNF
no factor from 2^71 to 2^72
2017-07-11Will EdgingtonNF
no factor from 2^70 to 2^71
2017-06-09Andrew BNF
no factor from 2^69 to 2^70
2017-02-28rubikvn2100NF
no factor from 2^68 to 2^69
2016-04-28rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-06tscNF
no factor from 2^66 to 2^67
2013-01-29MattNF
no factor from 2^65 to 2^66
2011-02-10RichardNF
no factor from 2^64 to 2^65
2010-06-25AliNF
no factor from 2^63 to 2^64