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
43392247TF
No factors below 275
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2008-07-25Mikhail N.59DF66A361C7CA8C20958795
Verified2017-12-11Sergey Nosov59DF66A361C7CA8C3096252
History
DateUserTypeResult
2021-03-05-Anonymous-NF
no factor from 2^74 to 2^75
2021-01-29Sid & AndyNF-PM1
B1=1000000, B2=20000000
2019-12-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2017-12-11Sergey NosovC-LL
59DF66A361C7CA8C
2015-09-12-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-12-Anonymous-NF
no factor from 2^70 to 2^71
2015-03-01chalsallNF
no factor from 2^69 to 2^70
2014-04-12dragonbud20NF
no factor from 2^68 to 2^69