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
84660991Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 13331250
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-04-21ky0urakuEB8F55F2BCDD0A684193681513
Verified2022-02-08ATHEB8F55F2BCDD0A68013
History
DateUserTypeResult
2022-02-09Massimo Cappelli (ik5pwa)CERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-02-08ATHC-PRP
EB8F55F2BCDD0A68
PRP proof power = 8
PRP: Verified
Proof certified good
2019-04-27ATHNF
no factor from 2^63 to 2^64
2019-04-27ATHNF
no factor from 2^1 to 2^63
2019-04-21ky0urakuC-PRP
EB8F55F2BCDD0A68
PRP: Verified
PRP without proof (not generated)
2017-11-26Oliver KruseNF-PM1
B1=675000, B2=13331250, E=12
2017-05-28TheJudgerNF
no factor from 2^75 to 2^76
2017-05-181997rj7NF
no factor from 2^74 to 2^75
2017-05-05-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-02Judge HaleNF
no factor from 2^72 to 2^73
2017-02-02Judge HaleNF
no factor from 2^71 to 2^72
2014-03-04-Anonymous-NF
no factor from 2^70 to 2^71
2014-02-12PascalBieriNF
no factor from 2^69 to 2^70
2014-02-09PascalBieriNF
no factor from 2^68 to 2^69
2013-03-05Jens PedersenNF
no factor from 2^67 to 2^68
2013-02-28-Anonymous-NF
no factor from 2^66 to 2^67
2012-08-29Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-24Architects CubedNF
no factor from 2^64 to 2^65