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
42153329TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-10-15Ahmer AliD9DC5A5FB3D71A3926844942
Verified2017-10-30WRD9DC5A5FB3D71A3925267538
History
DateUserTypeResult
2022-05-09RichD0NF
no factor from 2^72 to 2^73
2017-10-30WRC-LL
D9DC5A5FB3D71A39
2015-09-21AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-06David CampeauNF
no factor from 2^70 to 2^71
2015-01-19Mark RoseNF
no factor from 2^69 to 2^70