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

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MnStatusDetails
169469747Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
646489797731013870158232375.82024-09-16 07:14:12
History
DateUserTypeResult
2025-06-03GregF
Factor: 64648979773101387015823 / TF: 75-76
2024-09-16SRBaseF
Factor: 64648979773101387015823 / TF: 75-76*
2023-03-16SRBaseNF
no factor from 2^74 to 2^75
2021-12-17SRBaseNF
no factor from 2^73 to 2^74
2018-03-26RichardNF
no factor from 2^72 to 2^73
2018-03-21treborNF
no factor from 2^71 to 2^72
2018-02-20ZenghuiNF
no factor from 2^70 to 2^71
2016-09-26nate.andersNF
no factor from 2^69 to 2^70
2016-09-10nate.andersNF
no factor from 2^68 to 2^69
2016-03-20XZTNF
no factor from 2^67 to 2^68
2015-06-12BJBNF
no factor from 2^66 to 2^67
2013-03-26GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-02-19Sergej LevinNF
no factor from 2^64 to 2^65
2010-07-09sasaki3NF
no factor from 2^63 to 2^64