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
42388223TF
No factors below 274
TF target 272
P-1
B1 = 515000
B2 = 14806250
LL
StatusDateUserResidueShift
Verified2009-10-10MCAS00ADB8FBE7B3449836599481
Verified2017-10-28Sergey Nosov00ADB8FBE7B3449840105605
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-10-28Sergey NosovC-LL
00ADB8FBE7B34498
2015-11-09AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-04NickOfTimeNF
no factor from 2^70 to 2^71
2015-01-09HBendtzNF
no factor from 2^69 to 2^70
2013-12-23Torben K.NF
no factor from 2^68 to 2^69
2009-10-10MCASC-LL
00ADB8FBE7B34498
2009-08-28MCASNF-PM1
B1=515000, B2=14806250