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
746193083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12258306287222921165832270.12019-09-03 04:24:22
History
DateUserTypeResult
2025-03-26James HeinrichF
Factor: 1225830628722292116583 / TF: 70-71
2019-09-03Smok_bmv F
Factor: 1225830628722292116583 / TF: 70-71*
2012-05-12monstNF
no factor from 2^67 to 2^70
2012-05-03Stef42NF
no factor from 2^66 to 2^67
2012-04-30Stef42NF
no factor from 2^65 to 2^66
2011-06-07monstNF
no factor from 2^64 to 2^65
2010-06-21Architects CubedNF
no factor from 2^63 to 2^64