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
353862139Composite: 5 known prime factors
Factored
FactorDigitsBitsDate
226471768971134.42008-02-12 06:20:08
451280385866711445.42008-02-12 06:20:09
819438555282311446.22014-02-06 17:43:11
562434853245102011755.62015-02-05 12:22:24
2778276960432234924312167.92023-10-11 08:48:21
History
DateUserTypeResult
2024-10-02mikrNF
no factor from 2^68 to 2^73
2023-10-11TJAOIF
Factor: 277827696043223492431 / TF: 67-68
2015-02-05TJAOIF
Factor: 56243485324510201 / TF: 55-56
2014-02-06TJAOIF
Factor: 81943855528231