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
642006773Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6532166227097327208792169.12018-07-04 08:09:25
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 653216622709732720879 / TF: 69-70
2018-07-04Alex_soldierF
Factor: 653216622709732720879 / TF: 69-70*
2017-04-30sasakiNF
no factor from 2^68 to 2^69
2017-01-17sasakiNF
no factor from 2^67 to 2^68
2014-06-05sasakiNF
no factor from 2^66 to 2^67
2014-03-22america64NF
no factor from 2^65 to 2^66
2010-10-29Architects CubedNF
no factor from 2^64 to 2^65
2010-07-31Architects CubedNF
no factor from 2^63 to 2^64