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
277371883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21272017736710624758412270.82019-09-04 18:03:49
History
DateUserTypeResult
2019-09-04ConductorF
Factor: 2127201773671062475841 / TF: 70-71
2019-09-04ConductorNF
no factor from 2^69 to 2^70
2018-07-09BrionHNF
no factor from 2^68 to 2^69
2016-11-05XolotlNF
no factor from 2^67 to 2^68
2016-01-14BrionHNF
no factor from 2^66 to 2^67
2013-12-07Mr-PlonkNF
no factor from 2^65 to 2^66
2011-09-11RichardNF
no factor from 2^64 to 2^65
2010-04-04sasaki3NF
no factor from 2^63 to 2^64
2010-04-04sasaki3NF
no factor from 2^62 to 2^63