Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
290047649Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5121568722750283311112168.82018-06-27 21:31:18
History
DateUserTypeResult
2018-06-27ConductorF
Factor: 512156872275028331111 / TF: 68-69
2016-08-09XZTNF
no factor from 2^67 to 2^68
2015-12-24rob147147NF
no factor from 2^66 to 2^67
2013-12-22James P McMillanNF
no factor from 2^65 to 2^66
2011-11-28sasaki3NF
no factor from 2^64 to 2^65
2010-05-22Architects CubedNF
no factor from 2^63 to 2^64