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
42219599TF
No factors below 273
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2008-04-25Ahmer AliAA90DC4A43FAB39814749936
Verified2017-12-25piAA90DC4A43FAB39841628863
History
DateUserTypeResult
2022-04-22RichD0NF
no factor from 2^72 to 2^73
2017-12-25piC-LL
AA90DC4A43FAB398
2015-08-30AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-16Mark RoseNF
no factor from 2^70 to 2^71
2015-01-20Mark RoseNF
no factor from 2^69 to 2^70