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
975039907Composite: 4 known prime factors
Factored
FactorDigitsBitsDate
180440105157494411754.02008-06-10 21:38:24
8555765433340206171859.62015-11-29 11:48:01
212983253025864204232064.22015-12-27 17:55:58
373058353293102458892065.02018-04-24 13:31:16
History
DateUserTypeResult
2023-05-27mikrNF
no factor from 2^67 to 2^73
2018-04-24TJAOIF
Factor: 37305835329310245889 / TF: 65-66
2015-12-27ConductorF
Factor: 21298325302586420423 / TF: 1-65
2015-11-29TJAOIF
Factor: 855576543334020617 / TF: 59-60