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

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MnStatusDetails
104219891Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
87194208872276852622412272.92020-03-11 13:17:17
History
DateUserTypeResult
2020-03-11Johan ViljoenF
Factor: 8719420887227685262241 / TF: 72-73
2015-01-18workerthreadNF
no factor from 2^71 to 2^72
2014-10-21SMoffatNF
no factor from 2^70 to 2^71
2014-10-17SMoffatNF
no factor from 2^69 to 2^70
2014-10-14SMoffatNF
no factor from 2^68 to 2^69
2014-06-11SMoffatNF
no factor from 2^67 to 2^68
2014-05-12JMGarciaNF
no factor from 2^66 to 2^67
2012-05-04omiXorpNF
no factor from 2^65 to 2^66
2010-08-26Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-17sasaki3NF
no factor from 2^63 to 2^64