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
75573131TF
No factors below 276
TF target 274
P-1
B1 = 655000
B2 = 13100000
LL
StatusDateUserResidueShift
Unverified2017-10-06George Woltman606AE4F74DA6C7__33011135
PRP
StatusDateUserResidueShiftTypeBase
Verified2017-10-01Mihai Preda559CB6CFDB76BAB1043
Verified2017-12-28kkmrkkblmbrbk559CB6CFDB76BAB17213978543
Unverified2018-01-30noknoB82C7017D56232__013
History
DateUserTypeResult
2018-01-30noknoC-PRP
B82C7017D56232__
PRP without proof (not generated)
2017-12-28kkmrkkblmbrbkC-PRP
559CB6CFDB76BAB1
PRP without proof (not generated)
2017-12-15One ManNF
no factor from 2^75 to 2^76
2017-10-06George WoltmanC-LL
606AE4F74DA6C7__
2017-10-01Mihai PredaC-PRP
559CB6CFDB76BAB1
PRP without proof (not generated)
2016-04-01Patrik JohanssonNF-PM1
B1=655000, B2=13100000, E=12
2016-03-25endless_mikeNF
no factor from 2^74 to 2^75
2016-03-25endless_mikeNF
no factor from 2^73 to 2^74
2016-02-14Judge HaleNF
no factor from 2^72 to 2^73
2014-01-12roemer2201NF
no factor from 2^71 to 2^72
2013-05-25ManpowreNF
no factor from 2^70 to 2^71
2012-12-11Johan ViljoenNF
no factor from 2^69 to 2^70
2010-10-15Geir S. EidissenNF
no factor from 2^68 to 2^69
2010-10-11Geir S. EidissenNF
no factor from 2^67 to 2^68
2010-10-04-Anonymous-NF
no factor from 2^66 to 2^67
2010-07-29GrunwalderGIMPNF
no factor from 2^65 to 2^66