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
305155183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12316384640060459225292270.12019-09-13 04:31:24
History
DateUserTypeResult
2025-04-01James HeinrichF
Factor: 1231638464006045922529 / TF: 70-71
2019-09-13Smok_bmv F
Factor: 1231638464006045922529 / TF: 70-71*
2017-11-19Jacques MOLNENF
no factor from 2^69 to 2^70
2016-12-06Andrew BNF
no factor from 2^68 to 2^69
2016-12-05Andrew BNF
no factor from 2^67 to 2^68
2016-02-13mikeblasNF
no factor from 2^66 to 2^67
2014-01-12tscNF
no factor from 2^65 to 2^66
2011-10-16ALSNF
no factor from 2^64 to 2^65