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
74206771TF
No factors below 275
TF target 274
P-1
B1 = 2000000
B2 = 400748460
LL
StatusDateUserResidueShift
Unverified2015-08-01-Anonymous-A5805876486B89__27110714
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-02-02MannImMondD205AA032079FD7F013
History
DateUserTypeResult
2022-02-02Chad Steenerson CERT
PRP Certification
Proof certified good
2022-02-02MannImMondC-PRP
D205AA032079FD7F
PRP: Verified
Proof certified good
2022-01-19MannImMondNF-PM1
B1=2000000, B2=400748460
2015-08-01-Anonymous-C-LL
A5805876486B89__
2015-06-16Kevin JagetNF-PM1
B1=640000, B2=12800000, E=12
2015-06-02kdgehmanNF
no factor from 2^74 to 2^75
2015-06-02kdgehmanNF
no factor from 2^73 to 2^74
2015-06-02kdgehmanNF
no factor from 2^72 to 2^73
2015-06-02kdgehmanNF
no factor from 2^71 to 2^72
2013-05-10SMoffatNF
no factor from 2^70 to 2^71
2012-10-23Clown_RoyalNF
no factor from 2^69 to 2^70
2010-07-30chinabziNF
no factor from 2^68 to 2^69
2010-07-21chinabziNF
no factor from 2^67 to 2^68
2010-07-13chinabziNF
no factor from 2^66 to 2^67
2010-07-04chargerNF
no factor from 2^65 to 2^66
2010-06-24GrunwalderGIMPNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64