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
647033213Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2125785317956517453512167.52016-09-08 06:56:44
History
DateUserTypeResult
2016-09-08NipalF
Factor: 212578531795651745351 / TF: 67-70
2014-06-15sasakiNF
no factor from 2^66 to 2^67
2014-03-19america64NF
no factor from 2^65 to 2^66
2010-11-04Architects CubedNF
no factor from 2^64 to 2^65
2010-08-01Architects CubedNF
no factor from 2^63 to 2^64