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
277960967Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12782350275303847851432270.12019-10-26 19:53:43
History
DateUserTypeResult
2019-10-26ConductorF
Factor: 1278235027530384785143 / TF: 70-71
2019-09-02YxinityNF
no factor from 2^69 to 2^70
2018-07-09Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-11-06rubikvn2100NF
no factor from 2^67 to 2^68
2016-01-15vwflat4NF
no factor from 2^66 to 2^67
2013-12-09RichardNF
no factor from 2^65 to 2^66
2011-09-09Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-04KYOJI_KAMEINF
no factor from 2^63 to 2^64
2010-04-04KYOJI_KAMEINF
no factor from 2^62 to 2^63