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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Exponent Range:










MnStatusDetails
639208861Factored
FactorDigitsBitsDate
191585815083335993292064.12012-01-22 05:48:41
2089696316281550540472167.52022-09-21 07:12:10
History
DateUserTypeResult
2023-10-18James HeinrichF
Factor: 208969631628155054047 / TF: 67-68
2023-10-18James HeinrichNF
no factor from 2^69 to 2^70
2023-10-18James HeinrichNF
no factor from 2^68 to 2^69
2022-09-25LordJuliusNF
no factor from 2^73 to 2^74
2022-09-25LordJuliusNF
no factor from 2^72 to 2^73
2022-09-25LordJuliusNF
no factor from 2^71 to 2^72
2022-09-25LordJuliusNF
no factor from 2^70 to 2^71
2022-09-21TJAOIF
Factor: 208969631628155054047 / TF: 67-68
2012-01-22Lukin DmitryF
Factor: 19158581508333599329
2010-08-01Architects CubedNF
no factor from 2^63 to 2^64