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
124033981Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
38507938297256869098172271.72015-08-22 16:53:05
History
DateUserTypeResult
2015-08-22demfloroF
Factor: 3850793829725686909817 / TF: 71-72
2015-08-22demfloroNF
no factor from 2^70 to 2^71
2015-03-23La GüiraNF
no factor from 2^69 to 2^70
2015-03-23La GüiraNF
no factor from 2^68 to 2^69
2015-03-23La GüiraNF
no factor from 2^67 to 2^68
2015-01-05tscNF
no factor from 2^66 to 2^67
2012-09-07RichardNF
no factor from 2^65 to 2^66
2010-10-29RichardNF
no factor from 2^64 to 2^65
2010-05-22sasaki3NF
no factor from 2^63 to 2^64