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
112787887Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 515000
B2 = 19021000
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-07-10Ruslan BorisovEBFAB41DBD635A649745444013
History
DateUserTypeResult
2022-07-10Fotis E. AlexakosCERT
PRP Certification
CERT proof power = 10
Proof certified good
2022-07-10Ruslan BorisovC-PRP
EBFAB41DBD635A64
PRP proof power = 10
PRP: Verified
Proof certified good
2022-04-02Ryan PropperNF-PM1
B1=515000, B2=19021000
2020-12-29arpcarNF
no factor from 2^76 to 2^77
2020-11-29arpcarNF
no factor from 2^75 to 2^76
2020-11-27arpcarNF
no factor from 2^74 to 2^75
2020-07-26Daniil TsarkovNF
no factor from 2^73 to 2^74
2020-04-21SRBaseNF
no factor from 2^72 to 2^73
2019-01-10Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-07-20Andreas_TruetschNF
no factor from 2^70 to 2^71
2013-10-22RobishNF
no factor from 2^69 to 2^70
2013-10-16alimatNF
no factor from 2^68 to 2^69
2013-10-11alimatNF
no factor from 2^67 to 2^68
2013-10-07ZalithosNF
no factor from 2^66 to 2^67
2012-06-02subgeniusNF
no factor from 2^65 to 2^66
2010-09-26sannerud.comNF
no factor from 2^64 to 2^65
2010-05-05BOMNF
no factor from 2^63 to 2^64