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
85258837Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13528750
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-05-14Mihai Preda3EC1CC49BEA640CD043
Verified2022-08-31_p95holder_3EC1CC49BEA640CD3390282843
History
DateUserTypeResult
2022-08-31_p95holder_C-PRP
3EC1CC49BEA640CD
PRP: Verified
PRP without proof (not generated)
2019-05-14Mihai PredaC-PRP
3EC1CC49BEA640CD
PRP: Verified
PRP without proof (not generated)
2019-04-28ATHNF
no factor from 2^63 to 2^64
2019-04-28ATHNF
no factor from 2^1 to 2^63
2018-01-06Oliver KruseNF-PM1
B1=685000, B2=13528750, E=12
2017-09-11-Anonymous-NF
no factor from 2^75 to 2^76
2017-09-11-Anonymous-NF
no factor from 2^74 to 2^75
2017-03-02-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-02-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-02-Anonymous-NF
no factor from 2^71 to 2^72
2014-03-07CSLatDDNF
no factor from 2^70 to 2^71
2013-05-19-Anonymous-NF
no factor from 2^69 to 2^70
2013-03-10albin_pouillesNF
no factor from 2^68 to 2^69
2013-03-07ANONYMOUSNF
no factor from 2^67 to 2^68
2013-03-06Brandon SheaNF
no factor from 2^66 to 2^67
2013-02-26Brandon SheaNF
no factor from 2^65 to 2^66
2010-11-25Architects CubedNF
no factor from 2^64 to 2^65