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
39845621TF
No factors below 274
TF target 272
P-1
B1 = 375000
B2 = 7500000
LL
StatusDateUserResidueShift
Verified2007-10-29Lord AntonyC3786F18C8C544DA39171161
Verified2017-01-13grimdariC3786F18C8C544DA18996487
History
DateUserTypeResult
2020-01-25-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-04-14monstNF
no factor from 2^71 to 2^72
2017-03-04Krzysztof T. CzarkowskiNF-PM1
B1=375000, B2=7500000, E=12
2017-01-13grimdariC-LL
C3786F18C8C544DA
2014-12-15The MawnNF
no factor from 2^70 to 2^71
2014-12-12Mark RoseNF
no factor from 2^69 to 2^70