Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
218548219Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1212724606188391911532166.72015-10-26 10:47:29
History
DateUserTypeResult
2015-10-26NickF
Factor: 121272460618839191153 / TF: 66-67
2012-07-25america64NF
no factor from 2^65 to 2^66
2011-06-01sasaki3NF
no factor from 2^64 to 2^65
2010-05-19Architects CubedNF
no factor from 2^63 to 2^64