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
41377673Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 495000
B2 = 13860000
LL
StatusDateUserResidueShift
Verified2009-08-03ncted346B28292712937334583900
Verified2017-07-08Sergey Nosov346B2829271293732626926
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-06-13LaurVNF
no factor from 2^72 to 2^73
2017-07-08Sergey NosovC-LL
346B282927129373
2015-08-26AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-11chalsallNF
no factor from 2^70 to 2^71
2015-01-08Mark RoseNF
no factor from 2^69 to 2^70
2014-02-09LaurVNF
no factor from 2^68 to 2^69
2009-08-03nctedC-LL
346B282927129373