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
479973149Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3081856861789258561132168.12017-06-17 19:18:56
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 308185686178925856113 / TF: 68-70
2017-06-17Alex_soldierF
Factor: 308185686178925856113 / TF: 68-69*
2016-06-17sasakiNF
no factor from 2^67 to 2^68
2016-04-11monstNF
no factor from 2^66 to 2^67
2016-04-10sasakiNF
no factor from 2^66 to 2^67
2014-09-06abcNF
no factor from 2^65 to 2^66