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
41721307TF
No factors below 276
TF target 272
P-1
B1 = 495000
B2 = 12127500
LL
StatusDateUserResidueShift
Verified2009-04-08lindedD662DB1D3713B93A35289273
Verified2017-08-08Sergey NosovD662DB1D3713B93A33735194
History
DateUserTypeResult
2021-02-12-Anonymous-NF
no factor from 2^75 to 2^76
2021-02-06-Anonymous-NF
no factor from 2^74 to 2^75
2019-12-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-08-08Sergey NosovC-LL
D662DB1D3713B93A
2015-08-22-Anonymous-NF
no factor from 2^71 to 2^72
2015-01-18srow7NF
no factor from 2^70 to 2^71
2015-01-04BdotNF
no factor from 2^69 to 2^70
2014-02-21LaurVNF
no factor from 2^68 to 2^69
2009-04-08lindedC-LL
D662DB1D3713B93A
2009-02-21lindedNF-PM1
B1=495000, B2=12127500