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
151517239Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
93507944720850891593212273.02017-04-15 00:29:34
History
DateUserTypeResult
2017-04-15d3zorgF
Factor: 9350794472085089159321 / TF: 72-73
2017-04-13KWX976NF
no factor from 2^71 to 2^72
2017-03-22John BurroughsNF
no factor from 2^70 to 2^71
2017-03-22John BurroughsNF
no factor from 2^69 to 2^70
2017-02-22Dave BellNF
no factor from 2^68 to 2^69
2016-04-22sps97003NF
no factor from 2^67 to 2^68
2015-03-24vwflat4NF
no factor from 2^66 to 2^67
2013-03-19carlos56NF
no factor from 2^65 to 2^66
2011-01-14Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-23rabbutNF
no factor from 2^63 to 2^64