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
41819563TF
No factors below 274
TF target 272
P-1
B1 = 495000
B2 = 12127500
LL
StatusDateUserResidueShift
Verified2008-04-25Ars Technica Team Prime Rib8FB64099CF7328E37227946
Verified2017-08-18Sergey Nosov8FB64099CF7328E328816984
History
DateUserTypeResult
2020-01-06-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-08-18Sergey NosovC-LL
8FB64099CF7328E3
2015-10-07AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-23David CampeauNF
no factor from 2^70 to 2^71
2015-01-11Mark RoseNF
no factor from 2^69 to 2^70
2012-10-18Carsten KossendeyNF
no factor from 2^68 to 2^69