Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
228255017Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3187122245545036472472168.12018-04-01 23:18:27
History
DateUserTypeResult
2025-03-13James HeinrichF
Factor: 318712224554503647247 / TF: 68-70
2018-04-01AlissonF
Factor: 318712224554503647247 / TF: 68-69
2017-01-09ANONYMOUSNF
no factor from 2^67 to 2^68
2015-11-11MattNF
no factor from 2^66 to 2^67
2013-09-18RichardNF
no factor from 2^65 to 2^66
2011-06-19Jud McCranieNF
no factor from 2^64 to 2^65