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
24928219Factored
FactorDigitsBitsDate
1256598613045226871856.8old
3580457148364617911858.32015-08-26 12:22:07
91152501770005408571963.02016-11-21 12:16:56
281844857865764087592064.62017-11-21 14:33:44
History
DateUserTypeResult
2022-06-24LordJuliusNF
no factor from 2^63 to 2^64
2017-11-21TJAOIF
Factor: 28184485786576408759 / TF: 64-65
2016-11-21TJAOIF
Factor: 9115250177000540857 / TF: 62-63
2015-08-26TJAOIF
Factor: 358045714836461791 / TF: 58-59