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
153461527Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25075796736821853985212271.12017-06-11 22:00:26
History
DateUserTypeResult
2017-06-11Sergey NosovF
Factor: 2507579673682185398521 / TF: 70-72*
2017-05-30La GüiraNF
no factor from 2^69 to 2^70
2017-02-27XolotlNF
no factor from 2^68 to 2^69
2016-04-26kevshawNF
no factor from 2^67 to 2^68
2015-04-03vwflat4NF
no factor from 2^66 to 2^67
2013-02-02RichardNF
no factor from 2^65 to 2^66
2011-01-19carlos56NF
no factor from 2^64 to 2^65
2010-06-24James HeinrichNF
no factor from 2^63 to 2^64