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
74872949TF
No factors below 275
TF target 274
P-1
B1 = 655000
B2 = 13100000
LL
StatusDateUserResidueShift
Unverified2017-03-29ChavdarLalovB62B2F9B147F57__37660059
History
DateUserTypeResult
2017-03-29ChavdarLalovC-LL
B62B2F9B147F57__
2016-10-12Architects CubedNF-PM1
B1=655000, B2=13100000, E=6
2016-04-03Mark RoseNF
no factor from 2^57 to 2^64
2015-12-03Matthias WurtingerNF
no factor from 2^74 to 2^75
2015-12-03Matthias WurtingerNF
no factor from 2^73 to 2^74
2015-11-30BdotNF
no factor from 2^72 to 2^73
2015-08-29ChuckNF
no factor from 2^71 to 2^72
2012-12-02GrunwalderGIMPNF
no factor from 2^70 to 2^71
2012-10-20alexbrahmNF
no factor from 2^69 to 2^70
2010-10-20PrimeCruncherNF
no factor from 2^68 to 2^69
2010-10-17PrimeCruncherNF
no factor from 2^67 to 2^68
2010-08-10ANONYMOUSNF
no factor from 2^66 to 2^67
2010-08-07-Anonymous-NF
no factor from 2^65 to 2^66
2010-07-24-Anonymous-NF
no factor from 2^64 to 2^65