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
386052883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
38860196923613114535612271.72020-01-14 12:23:14
History
DateUserTypeResult
2025-05-06James HeinrichF
Factor: 3886019692361311453561 / TF: 71-72
2020-01-14Smok_bmv F
Factor: 3886019692361311453561 / TF: 71-72*
2020-01-14Smok_bmv NF
no factor from 2^70 to 2^71
2017-01-27mikrNF
no factor from 2^69 to 2^70
2017-01-27mikrNF
no factor from 2^67 to 2^69
2016-04-10DerekNF
no factor from 2^66 to 2^67
2014-05-01RichardNF
no factor from 2^65 to 2^66
2011-04-21Architects CubedNF
no factor from 2^64 to 2^65