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
917984209Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2911671637153826604012168.02015-09-05 11:15:15
History
DateUserTypeResult
2015-09-05Alex_soldierF
Factor: 291167163715382660401 / TF: 66-68*
2013-05-27ramgeisNF
no factor from 2^65 to 2^66
2011-09-21lindedNF
no factor from 2^64 to 2^65
2010-06-22lindedNF
no factor from 2^63 to 2^64