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
152309791Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25505967950917178686972271.12017-06-07 00:08:27
History
DateUserTypeResult
2017-06-07Sergey NosovF
Factor: 2550596795091717868697 / TF: 71-72*
2017-04-26megavinkNF
no factor from 2^70 to 2^71
2017-04-05treborNF
no factor from 2^69 to 2^70
2017-03-22rubikvn2100NF
no factor from 2^68 to 2^69
2016-04-25rubikvn2100NF
no factor from 2^67 to 2^68
2015-03-30tscNF
no factor from 2^66 to 2^67
2013-01-27RichardNF
no factor from 2^65 to 2^66
2011-01-16oodairaNF
no factor from 2^64 to 2^65
2010-07-191997rj7NF
no factor from 2^63 to 2^64