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
620996777Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7601144154779947502632169.42018-06-15 17:12:43
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 760114415477994750263 / TF: 69-70
2018-06-15Alex_soldierF
Factor: 760114415477994750263 / TF: 69-70*
2017-03-21sasakiNF
no factor from 2^68 to 2^69
2017-01-07sasakiNF
no factor from 2^67 to 2^68
2014-03-21sasakiNF
no factor from 2^65 to 2^67