Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
42248867TF
No factors below 273
TF target 272
P-1
B1 = 500000
B2 = 11375000
LL
StatusDateUserResidueShift
Verified2008-06-14Burt Wagner4F9785DB6617C8C011311848
Verified2016-05-29ChavdarLalov4F9785DB6617C8C017114437
History
DateUserTypeResult
2022-04-17RichD0NF
no factor from 2^72 to 2^73
2016-05-29ChavdarLalovC-LL
4F9785DB6617C8C0
2015-09-16AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-29krackerNF
no factor from 2^70 to 2^71
2015-01-221997rj7NF
no factor from 2^69 to 2^70
2014-01-01LaurVNF
no factor from 2^68 to 2^69