Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
204468169Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
874771827828906687672066.22015-10-06 21:35:32
2577861494167127080392167.82023-05-10 08:51:16
History
DateUserTypeResult
2023-05-10TJAOIF
Factor: 257786149416712708039 / TF: 67-68
2015-10-06Alex_soldierF
Factor: 87477182782890668767 / TF: 66-67*
2013-07-25tscNF
no factor from 2^65 to 2^66
2011-05-06Charles A. MorrisNF
no factor from 2^64 to 2^65