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
766178383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13871906417336328991272270.22020-04-04 19:20:38
History
DateUserTypeResult
2020-04-04Smok_bmv F
Factor: 1387190641733632899127 / TF: 70-71
2015-04-18monstNF
no factor from 2^66 to 2^70
2013-05-11america64NF
no factor from 2^65 to 2^66
2011-07-12monstNF
no factor from 2^64 to 2^65
2010-06-15Architects CubedNF
no factor from 2^63 to 2^64