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
42168169TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-09-16Brandon Dusick47E9623555C102AD19770990
Verified2017-12-15Remi Lucet47E9623555C102AD18898358
History
DateUserTypeResult
2022-05-05RichD0NF
no factor from 2^72 to 2^73
2017-12-15Remi LucetC-LL
47E9623555C102AD
2015-09-25AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-13Mark RoseNF
no factor from 2^70 to 2^71
2015-01-20chalsallNF
no factor from 2^69 to 2^70