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
42043073TF
No factors below 273
TF target 272
P-1
B1 = 560000
B2 = 11340000
LL
StatusDateUserResidueShift
Verified2008-04-04C. Cooper / S. Boone22B1E72F2A4A53CD9882085
Verified2017-09-18Sergey Nosov22B1E72F2A4A53CD37258789
History
DateUserTypeResult
2018-10-28Architects CubedNF-PM1
B1=560000, B2=11340000, E=12
2018-08-10-Anonymous-NF
no factor from 2^72 to 2^73
2017-09-18Sergey NosovC-LL
22B1E72F2A4A53CD
2015-08-26-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-27Mark RoseNF
no factor from 2^70 to 2^71
2015-01-15Mark RoseNF
no factor from 2^69 to 2^70