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
127005881Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
66885334107317710019992272.52019-05-27 13:08:24
History
DateUserTypeResult
2019-05-27ConductorF
Factor: 6688533410731771001999 / TF: 72-73
2016-01-15guruNF
no factor from 2^71 to 2^72
2016-01-07Meral HarbesNF
no factor from 2^70 to 2^71
2015-01-15La GüiraNF
no factor from 2^69 to 2^70
2015-01-15La GüiraNF
no factor from 2^68 to 2^69
2015-01-15La GüiraNF
no factor from 2^66 to 2^68
2012-11-12MBeckerNF
no factor from 2^65 to 2^66
2010-11-04Nathan EdingtonNF
no factor from 2^64 to 2^65
2010-07-27sasaki3NF
no factor from 2^63 to 2^64