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
619993613Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5041617441438873913992168.82016-09-24 14:46:19
History
DateUserTypeResult
2016-09-24NipalF
Factor: 504161744143887391399 / TF: 67-70
2014-03-16sasakiNF
no factor from 2^65 to 2^67