Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
152815667Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12027929355039664762972270.02017-05-19 01:32:43
History
DateUserTypeResult
2017-05-19Sergey NosovF
Factor: 1202792935503966476297 / TF: 70-72*
2017-04-21La GüiraNF
no factor from 2^69 to 2^70
2017-03-05XolotlNF
no factor from 2^68 to 2^69
2016-04-25sasakiNF
no factor from 2^67 to 2^68
2015-04-01vwflat4NF
no factor from 2^66 to 2^67
2013-01-28RichardNF
no factor from 2^65 to 2^66
2011-01-17sasaki3NF
no factor from 2^64 to 2^65
2010-07-031997rj7NF
no factor from 2^63 to 2^64