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
692018161Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5387370888503567872972168.92017-10-31 00:43:47
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 538737088850356787297 / TF: 68-70
2017-10-31Alex_soldierF
Factor: 538737088850356787297 / TF: 68-69*
2014-08-26sasakiNF
no factor from 2^66 to 2^68
2013-12-07sasakiNF
no factor from 2^65 to 2^66