Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
272158573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2098907440609485828172167.52016-10-26 21:41:37
History
DateUserTypeResult
2016-10-26Mikhail E. GolosovF
Factor: 209890744060948582817 / TF: 67-68
2016-01-05mikeblasNF
no factor from 2^66 to 2^67
2013-12-01AJNF
no factor from 2^65 to 2^66
2011-08-31sannerud.comNF
no factor from 2^64 to 2^65
2010-04-01Grant McCrackenNF
no factor from 2^63 to 2^64
2010-04-01Grant McCrackenNF
no factor from 2^62 to 2^63