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
38005091TF
No factors below 275
TF target 271
P-1
B1 = 200000
B2 = 3850000
LL
StatusDateUserResidueShift
VerifiedAnatole Kaushanski5598F895C56C41802848645
Verified2015-06-04Summy5598F895C56C418017793088
History
DateUserTypeResult
2020-11-28-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-10-11-Anonymous-NF
no factor from 2^71 to 2^72
2015-06-04SummyC-LL
5598F895C56C4180
2014-11-27Gordon SpenceNF
no factor from 2^70 to 2^71
2014-10-10HBendtzNF
no factor from 2^69 to 2^70
2010-05-19Carsten KossendeyNF-PM1
B1=200000, B2=3850000, E=6