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

PrimeNet Exponent Status

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MnStatusDetails
173261357Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
440074451545898128657272375.22024-09-24 09:49:39
History
DateUserTypeResult
2025-06-03GregF
Factor: 44007445154589812865727 / TF: 75-76
2024-09-24SRBaseF
Factor: 44007445154589812865727 / TF: 75-76*
2023-03-22SRBaseNF
no factor from 2^74 to 2^75
2021-12-25SRBaseNF
no factor from 2^73 to 2^74
2018-12-26lobsterfordinnerNF
no factor from 2^72 to 2^73
2018-12-23EratosthenesNF
no factor from 2^71 to 2^72
2018-11-24Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2017-05-08Andrew BNF
no factor from 2^69 to 2^70
2017-05-05Andrew BNF
no factor from 2^68 to 2^69
2016-06-08BrionHNF
no factor from 2^67 to 2^68
2015-06-24c10ck3rNF
no factor from 2^66 to 2^67
2013-04-08sasaki3NF
no factor from 2^65 to 2^66
2011-03-01sasaki3NF
no factor from 2^64 to 2^65
2010-07-13Charles A. MorrisNF
no factor from 2^63 to 2^64