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
43872217TF
No factors below 274
TF target 272
P-1
B1 = 525000
B2 = 12075000
LL
StatusDateUserResidueShift
Verified2010-06-02andrea.biancalana5D3D9D1ED10F19192969122
Verified2017-04-09Ilya Gutkovskiy5D3D9D1ED10F1919276075
History
DateUserTypeResult
2019-03-31Sid & AndyNF
no factor from 2^73 to 2^74
2018-08-07-Anonymous-NF
no factor from 2^72 to 2^73
2017-04-09Ilya GutkovskiyC-LL
5D3D9D1ED10F1919
2014-01-29bayanneNF
no factor from 2^71 to 2^72
2014-01-29bayanneNF
no factor from 2^70 to 2^71
2014-01-29bayanneNF
no factor from 2^69 to 2^70
2014-01-29bayanneNF
no factor from 2^68 to 2^69
2010-06-02andrea.biancalanaC-LL
5D3D9D1ED10F1919
2010-04-11andrea.biancalanaNF-PM1
B1=525000, B2=12075000