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
28880737Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
200432314791134.2old
2054597371021198871857.52015-06-25 11:23:44
History
DateUserTypeResult
2024-06-09masserNF
no factor from 2^68 to 2^69
2015-06-25TJAOIF
Factor: 205459737102119887 / TF: 57-58