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
42196727TF
No factors below 273
TF target 272
P-1
B1 = 510000
B2 = 14535000
LL
StatusDateUserResidueShift
Verified2009-05-28Rich Jacot229EC037E572000638604798
Verified2017-10-06Sergey Nosov229EC037E57200065690475
History
DateUserTypeResult
2022-04-28RichD0NF
no factor from 2^72 to 2^73
2017-10-06Sergey NosovC-LL
229EC037E5720006
2015-10-02AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-09David CampeauNF
no factor from 2^70 to 2^71
2015-02-03HBendtzNF
no factor from 2^69 to 2^70
2013-12-30bayanneNF
no factor from 2^68 to 2^69
2009-05-28Rich JacotC-LL
229EC037E5720006
2009-03-18Rich JacotNF-PM1
B1=510000, B2=14535000