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
174485963Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5171049509654618088712168.82017-05-11 07:34:29
History
DateUserTypeResult
2025-03-26James HeinrichF
Factor: 517104950965461808871 / TF: 68-70
2017-05-11NickF
Factor: 517104950965461808871 / TF: 68-69
2016-06-12tmorrowNF
no factor from 2^67 to 2^68
2015-06-29YxinityNF
no factor from 2^66 to 2^67
2013-04-12pussijussiNF
no factor from 2^65 to 2^66
2011-03-06ChristophBbNF
no factor from 2^64 to 2^65
2010-07-14Mr-PlonkNF
no factor from 2^63 to 2^64