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
277021519Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32205251882100604757212271.42019-06-03 19:28:22
History
DateUserTypeResult
2019-06-03ConductorF
Factor: 3220525188210060475721 / TF: 71-72
2019-06-03ConductorNF
no factor from 2^70 to 2^71
2019-06-03ConductorNF
no factor from 2^69 to 2^70
2018-07-08Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-11-04Mikhail E. GolosovNF
no factor from 2^67 to 2^68
2016-01-13vwflat4NF
no factor from 2^66 to 2^67
2013-12-09ANONYMOUSNF
no factor from 2^65 to 2^66
2011-09-08GIMP PhilippinesNF
no factor from 2^64 to 2^65
2010-04-03Iain MurrayNF
no factor from 2^63 to 2^64
2010-04-03Iain MurrayNF
no factor from 2^62 to 2^63