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

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MnStatusDetails
150637009Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
61488490298533555404012272.42017-06-29 06:14:50
History
DateUserTypeResult
2017-06-29Vasily VoroninF
Factor: 6148849029853355540401 / TF: 72-73
2017-06-26workerthreadNF
no factor from 2^71 to 2^72
2017-03-23workerthreadNF
no factor from 2^70 to 2^71
2016-07-24f0rteOCNF
no factor from 2^69 to 2^70
2016-07-09Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-17tscNF
no factor from 2^67 to 2^68
2015-03-20aurashiftNF
no factor from 2^66 to 2^67
2013-01-15firereddNF
no factor from 2^65 to 2^66
2011-01-27EPFNF
no factor from 2^64 to 2^65
2010-06-22Charles A. MorrisNF
no factor from 2^63 to 2^64