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
42230263TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-12-08ahmerali5489AA19C561DA4017596394
Verified2015-12-23-Anonymous-5489AA19C561DA4021148763
History
DateUserTypeResult
2022-04-20RichD0NF
no factor from 2^72 to 2^73
2015-12-23-Anonymous-C-LL
5489AA19C561DA40
2015-09-12AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-08Mark RoseNF
no factor from 2^70 to 2^71
2015-01-20Mark RoseNF
no factor from 2^69 to 2^70
2008-12-08ahmeraliC-LL
5489AA19C561DA40