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
627401741Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9891310537840954009992169.72016-10-16 19:39:20
History
DateUserTypeResult
2016-10-16NipalF
Factor: 989131053784095400999 / TF: 67-70
2014-04-19sasakiNF
no factor from 2^65 to 2^67
2012-01-18Andrew BNF
no factor from 2^64 to 2^65
2010-08-03Architects CubedNF
no factor from 2^63 to 2^64