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

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MnStatusDetails
159113621Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
705201223992146637321132375.92024-08-26 10:43:04
History
DateUserTypeResult
2025-06-05GregF
Factor: 70520122399214663732113 / TF: 75-76
2024-08-26SRBaseF
Factor: 70520122399214663732113 / TF: 75-76*
2023-02-26SRBaseNF
no factor from 2^74 to 2^75
2021-11-21SRBaseNF
no factor from 2^73 to 2^74
2018-11-13AK76NF
no factor from 2^72 to 2^73
2018-05-26ZenghuiNF
no factor from 2^71 to 2^72
2018-04-28proxy2222NF
no factor from 2^70 to 2^71
2018-04-17proxy2222NF
no factor from 2^69 to 2^70
2017-03-18XolotlNF
no factor from 2^68 to 2^69
2016-05-18sm21NF
no factor from 2^67 to 2^68
2015-04-28vwflat4NF
no factor from 2^66 to 2^67
2013-02-17tscNF
no factor from 2^65 to 2^66
2011-01-31UngelovendeNF
no factor from 2^64 to 2^65
2010-08-29WPSNF
no factor from 2^63 to 2^64