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
192307231Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4519253320281438064092168.62017-08-10 22:09:01
History
DateUserTypeResult
2025-03-25James HeinrichF
Factor: 451925332028143806409 / TF: 68-70
2017-08-10NickF
Factor: 451925332028143806409 / TF: 68-69
2016-06-04XZTNF
no factor from 2^67 to 2^68
2015-09-03sasakiNF
no factor from 2^66 to 2^67
2013-06-16RichardNF
no factor from 2^65 to 2^66
2011-04-14OS1NF
no factor from 2^64 to 2^65