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
708011861Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15566240420394768838012270.42019-03-10 21:56:25
History
DateUserTypeResult
2019-03-10Alex_soldierF
Factor: 1556624042039476883801 / TF: 70-71
2013-03-30monstNF
no factor from 2^66 to 2^70
2011-10-12monstNF
no factor from 2^65 to 2^66
2010-05-22monstNF
no factor from 2^64 to 2^65
2010-05-22monstNF
no factor from 2^63 to 2^64