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
97387573Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 10000000
B2 = 50000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-04ky0uraku7F4693CEE89B1BB6013
History
DateUserTypeResult
2020-11-04Ben DeloCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-04ky0urakuC-PRP
7F4693CEE89B1BB6
PRP proof power = 8
PRP: Verified
Proof certified good
2020-10-31ky0urakuNF-PM1
B1=10000000, B2=50000000
2020-02-22Architects CubedNF
no factor from 2^76 to 2^77
2019-11-14AyczlyNF
no factor from 2^75 to 2^76
2019-10-31AyczlyNF
no factor from 2^74 to 2^75
2019-10-19ixfd64NF
no factor from 2^73 to 2^74
2019-10-05Ryan PropperNF-PM1
B1=955000, B2=24113750, E=6
2019-04-08Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-09Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-10-17webbertNF
no factor from 2^70 to 2^71
2014-06-21SergeyKiNF
no factor from 2^69 to 2^70
2014-04-19symalladNF
no factor from 2^68 to 2^69
2014-04-12Carsten KossendeyNF
no factor from 2^67 to 2^68
2014-03-20Carsten KossendeyNF
no factor from 2^65 to 2^67
2011-01-16Architects CubedNF
no factor from 2^64 to 2^65