Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
42897941TF
No factors below 273
TF target 272
P-1
B1 = 360000
B2 = 6660000
LL
StatusDateUserResidueShift
Verified2009-05-17curtisc20B38D2A14939C405683869
Verified2017-11-13Sergey Nosov20B38D2A14939C4031067023
History
DateUserTypeResult
2018-12-06Architects CubedNF-PM1
B1=360000, B2=6660000, E=12
2018-11-30Architects CubedNF
no factor from 2^72 to 2^73
2017-11-13Sergey NosovC-LL
20B38D2A14939C40
2015-09-06-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-221997rj7NF
no factor from 2^70 to 2^71
2015-03-06Carsten KossendeyNF
no factor from 2^69 to 2^70
2009-05-17curtiscC-LL
20B38D2A14939C40