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
84912109Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13430000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-05-01ky0urakuE81DCB328316376F5850364113
Verified2020-12-14ATHE81DCB328316376F013
History
DateUserTypeResult
2020-12-14ATHC-PRP
E81DCB328316376F
PRP: Verified
PRP without proof (not generated)
2019-05-01ky0urakuC-PRP
E81DCB328316376F
PRP: Verified
PRP without proof (not generated)
2019-04-27ATHNF
no factor from 2^63 to 2^64
2019-04-27ATHNF
no factor from 2^1 to 2^63
2017-12-15Oliver KruseNF-PM1
B1=680000, B2=13430000, E=12
2017-07-13electron1897NF
no factor from 2^75 to 2^76
2017-07-07The MawnNF
no factor from 2^74 to 2^75
2017-05-19-Anonymous-NF
no factor from 2^73 to 2^74
2016-12-23Judge HaleNF
no factor from 2^72 to 2^73
2014-08-14Ilya AlexandrovNF
no factor from 2^71 to 2^72
2014-08-14Ilya AlexandrovNF
no factor from 2^70 to 2^71
2013-03-22André JordiNF
no factor from 2^69 to 2^70
2013-03-16-Anonymous-NF
no factor from 2^68 to 2^69
2013-03-07-Anonymous-NF
no factor from 2^67 to 2^68
2013-02-28-Anonymous-NF
no factor from 2^66 to 2^67
2012-08-05Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-04Architects CubedNF
no factor from 2^64 to 2^65