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
112641233Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 512000
B2 = 18919000
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-05-27Ruslan Borisov7C8312A26F42D4C4969287113
History
DateUserTypeResult
2022-05-27curtiscCERT
PRP Certification
CERT proof power = 10
Proof certified good
2022-05-27Ruslan BorisovC-PRP
7C8312A26F42D4C4
PRP proof power = 10
PRP: Verified
Proof certified good
2022-03-26Ryan PropperNF-PM1
B1=512000, B2=18919000
2020-12-29arpcarNF
no factor from 2^76 to 2^77
2020-12-04arpcarNF
no factor from 2^75 to 2^76
2020-11-28arpcarNF
no factor from 2^74 to 2^75
2020-09-06ZenzomaNF
no factor from 2^73 to 2^74
2020-04-21SRBaseNF
no factor from 2^72 to 2^73
2019-01-12Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-02-21SMoffatNF
no factor from 2^70 to 2^71
2015-02-18La GüiraNF
no factor from 2^69 to 2^70
2015-02-18La GüiraNF
no factor from 2^68 to 2^69
2015-02-18La GüiraNF
no factor from 2^67 to 2^68
2013-10-14PascalBieriNF
no factor from 2^66 to 2^67
2012-06-01OS1NF
no factor from 2^65 to 2^66
2010-09-26Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-05ekrummeNF
no factor from 2^63 to 2^64