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

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MnStatusDetails
691137413Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3278540764601080774312168.22018-03-02 19:56:06
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 327854076460108077431 / TF: 68-70
2018-03-02Alex_soldierF
Factor: 327854076460108077431 / TF: 68-69*
2014-08-21sasakiNF
no factor from 2^66 to 2^68
2013-12-16sasakiNF
no factor from 2^65 to 2^66
2012-02-13monstNF
no factor from 2^64 to 2^65
2010-06-24Architects CubedNF
no factor from 2^63 to 2^64