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
691224823Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4251664489323959610012168.52018-03-10 17:21:14
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 425166448932395961001 / TF: 68-70
2018-03-10Alex_soldierF
Factor: 425166448932395961001 / TF: 68-69*
2014-08-21sasakiNF
no factor from 2^66 to 2^68
2013-12-11sasakiNF
no factor from 2^65 to 2^66
2012-02-05OS1NF
no factor from 2^64 to 2^65
2010-06-25Architects CubedNF
no factor from 2^63 to 2^64