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

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MnStatusDetails
171790309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
691411296922421567749132375.92024-09-24 09:49:54
History
DateUserTypeResult
2025-06-03GregF
Factor: 69141129692242156774913 / TF: 75-76
2024-09-24SRBaseF
Factor: 69141129692242156774913 / TF: 75-76*
2023-03-22SRBaseNF
no factor from 2^74 to 2^75
2021-12-21SRBaseNF
no factor from 2^73 to 2^74
2019-03-06lobsterfordinnerNF
no factor from 2^72 to 2^73
2018-09-07ZenghuiNF
no factor from 2^71 to 2^72
2016-12-10treborNF
no factor from 2^70 to 2^71
2016-10-26La GüiraNF
no factor from 2^69 to 2^70
2016-10-10Adam BuranNF
no factor from 2^68 to 2^69
2016-04-28XZTNF
no factor from 2^67 to 2^68
2015-06-19Maurizio FD - ItalyNF
no factor from 2^66 to 2^67
2013-04-03Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-26Damian SilvestreNF
no factor from 2^64 to 2^65
2010-07-11sasaki3NF
no factor from 2^63 to 2^64