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
311255983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21332355903384055635112270.92019-09-23 04:21:37
History
DateUserTypeResult
2025-03-31James HeinrichF
Factor: 2133235590338405563511 / TF: 70-71
2019-09-23Smok_bmv F
Factor: 2133235590338405563511 / TF: 70-71*
2018-07-15Jacques MOLNENF
no factor from 2^69 to 2^70
2018-07-15Jacques MOLNENF
no factor from 2^68 to 2^69
2016-12-12Mr-PlonkNF
no factor from 2^67 to 2^68
2016-02-21rmaximusNF
no factor from 2^66 to 2^67
2014-01-18RichardNF
no factor from 2^65 to 2^66
2011-10-25OS1NF
no factor from 2^64 to 2^65