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
203592091Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1309713448211626489692166.82015-10-01 09:02:27
History
DateUserTypeResult
2024-03-17James HeinrichF
Factor: 130971344821162648969 / TF: 1-69
2015-10-01NickF
Factor: 130971344821162648969 / TF: 66-67
2013-07-22Chang Chia-TcheNF
no factor from 2^65 to 2^66
2011-05-04dslNF
no factor from 2^64 to 2^65