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

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MnStatusDetails
647047039Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
1642447570664065117432167.22016-09-09 08:56:26
9870581397559127714092169.72016-09-09 08:56:26
History
DateUserTypeResult
2016-09-09NipalF
Factor: 987058139755912771409 / TF: 67-70
2016-09-09NipalF
Factor: 164244757066406511743 / 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
2010-11-05Architects CubedNF
no factor from 2^64 to 2^65
2010-08-01Architects CubedNF
no factor from 2^63 to 2^64