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
689309983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25275934766285323662792271.12020-03-10 18:10:40
History
DateUserTypeResult
2020-03-10Smok_bmv F
Factor: 2527593476628532366279 / TF: 71-72
2018-07-16KEPNF
no factor from 2^70 to 2^71
2018-07-07YxinityNF
no factor from 2^68 to 2^70
2016-10-08NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-16sasakiNF
no factor from 2^66 to 2^67
2014-02-23america64NF
no factor from 2^65 to 2^66
2012-02-04tscNF
no factor from 2^64 to 2^65
2010-03-06markrNF
no factor from 2^63 to 2^64