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

PrimeNet Exponent Status

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MnStatusDetails
41580053TF
No factors below 274
TF target 272
P-1
B1 = 690000
B2 = 19500000
LL
StatusDateUserResidueShift
Verified2008-03-05C. Cooper / S. Boone1E1723DF045868A638627516
Verified2015-10-18riccardo uberti1E1723DF045868A64621387
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2015-10-18riccardo ubertiC-LL
1E1723DF045868A6
2015-10-04riccardo ubertiNF-PM1
B1=690000, B2=19500000, E=6
2015-07-261997rj7NF
no factor from 2^71 to 2^72
2015-01-15srow7NF
no factor from 2^70 to 2^71
2015-01-01chalsallNF
no factor from 2^69 to 2^70