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
913548047Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6628538125034115342412169.22017-12-15 12:22:18
History
DateUserTypeResult
2017-12-15ConductorF
Factor: 662853812503411534241 / TF: 69-70
2017-03-18sasakiNF
no factor from 2^68 to 2^69
2016-07-14ConductorNF
no factor from 2^67 to 2^68
2013-01-27lastareasdelhogarNF
no factor from 2^65 to 2^67
2011-10-21lindedNF
no factor from 2^64 to 2^65
2010-06-28lindedNF
no factor from 2^63 to 2^64