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
42261397TF
No factors below 273
TF target 272
P-1
B1 = 545000
B2 = 11990000
LL
StatusDateUserResidueShift
Verified2009-06-19curtisc0240516358EC146934892227
Verified2017-10-15Sergey Nosov0240516358EC146916644193
History
DateUserTypeResult
2022-04-16RichD0NF
no factor from 2^72 to 2^73
2017-10-15Sergey NosovC-LL
0240516358EC1469
2015-08-27AirSquirrelsNF
no factor from 2^71 to 2^72
2012-02-09David CampeauNF-PM1
B1=545000, B2=11990000, E=12
2012-02-04David CampeauNF
no factor from 2^70 to 2^71
2012-02-04David CampeauNF
no factor from 2^69 to 2^70
2012-02-04David CampeauNF
no factor from 2^68 to 2^69
2009-06-19curtiscC-LL
0240516358EC1469