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
150708823Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
71387603696959724007372272.62017-07-25 19:54:42
History
DateUserTypeResult
2017-07-25yponomarevF
Factor: 7138760369695972400737 / TF: 72-73
2017-07-19Alexander DresslerNF
no factor from 2^71 to 2^72
2017-01-17guruNF
no factor from 2^70 to 2^71
2017-01-17workerthreadNF
no factor from 2^69 to 2^70
2016-07-11Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-16James HintzNF
no factor from 2^67 to 2^68
2015-03-20vwflat4NF
no factor from 2^66 to 2^67
2013-01-18RichardNF
no factor from 2^65 to 2^66
2011-01-12sasaki3NF
no factor from 2^64 to 2^65
2010-06-22OS1NF
no factor from 2^63 to 2^64