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
789388909Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1210319300289723527692166.72015-12-15 11:16:48
History
DateUserTypeResult
2015-12-15Alex_soldierF
Factor: 121031930028972352769 / TF: 66-67
2013-11-03america64NF
no factor from 2^65 to 2^66
2011-04-30monstNF
no factor from 2^64 to 2^65
2010-04-24Architects CubedNF
no factor from 2^63 to 2^64