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
277074607Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9899609582477375578392169.72019-06-17 17:00:13
History
DateUserTypeResult
2019-06-17ConductorF
Factor: 989960958247737557839 / TF: 69-70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-308um8l3833NF
no factor from 2^67 to 2^68
2016-01-13Mr-PlonkNF
no factor from 2^66 to 2^67
2013-12-06haphaeuNF
no factor from 2^65 to 2^66
2011-09-08sasaki3NF
no factor from 2^64 to 2^65
2010-04-03sasaki3NF
no factor from 2^63 to 2^64
2010-04-03sasaki3NF
no factor from 2^62 to 2^63