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

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MnStatusDetails
218414393Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2225766400058049999532167.62016-09-11 00:22:36
History
DateUserTypeResult
2016-09-11demfloroF
Factor: 222576640005804999953 / TF: 67-68
2015-10-24BrandonNF
no factor from 2^66 to 2^67
2012-07-24america64NF
no factor from 2^65 to 2^66
2011-06-03RichardNF
no factor from 2^64 to 2^65