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

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MnStatusDetails
215638567Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3421939622417204210572168.22017-12-27 14:32:08
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 342193962241720421057 / TF: 68-70
2017-12-27AlissonF
Factor: 342193962241720421057 / TF: 68-69
2016-09-07tmorrowNF
no factor from 2^67 to 2^68
2015-10-23beyondNF
no factor from 2^66 to 2^67
2012-07-08america64NF
no factor from 2^65 to 2^66
2011-05-27lindeeNF
no factor from 2^64 to 2^65