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
610025621Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2221636508858490991432167.62016-11-06 09:39:06
History
DateUserTypeResult
2016-11-06NipalF
Factor: 222163650885849099143 / TF: 67-70
2014-01-16sasakiNF
no factor from 2^65 to 2^67