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

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MnStatusDetails
647671511Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1695871777812116688172167.22016-09-08 16:57:52
History
DateUserTypeResult
2016-09-08NipalF
Factor: 169587177781211668817 / TF: 67-70
2014-06-14sasakiNF
no factor from 2^66 to 2^67
2014-03-19america64NF
no factor from 2^65 to 2^66