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
39376487TF
No factors below 275
TF target 272
P-1
B1 = 210000
B2 = 4095000
LL
StatusDateUserResidueShift
Bad2008-03-05Ahmer AliD02DD992E6E3214427722432
Verified2015-10-13JamesBurk61B98EA6901C558A35522262
Verified2016-03-09Richard_Otter61B98EA6901C558A27427834
History
DateUserTypeResult
2020-12-19-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-18-Anonymous-NF
no factor from 2^72 to 2^73
2019-07-16monstNF
no factor from 2^71 to 2^72
2016-03-09Richard_OtterC-LL
61B98EA6901C558A
2015-10-13JamesBurkC-LL
61B98EA6901C558A
2014-12-09NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-04Mark RoseNF
no factor from 2^69 to 2^70
2010-08-11Carsten KossendeyNF-PM1
B1=210000, B2=4095000, E=6