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
228819659Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
1480842828664219345372167.02021-04-27 10:35:00
2142568475119757668872167.52016-09-18 00:17:05
History
DateUserTypeResult
2021-04-27TJAOIF
Factor: 148084282866421934537 / TF: 67-68
2016-09-18demfloroF
Factor: 214256847511975766887 / TF: 67-68
2015-10-06NumberwangNF
no factor from 2^66 to 2^67
2013-09-17sasaki3NF
no factor from 2^65 to 2^66
2011-06-19Charles A. MorrisNF
no factor from 2^64 to 2^65