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
85094143Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13430000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-05-12ky0uraku987D55C64863842C1356824813
Verified2022-01-08ATH987D55C64863842C013
History
DateUserTypeResult
2022-01-08ATHC-PRP
987D55C64863842C
PRP: Verified
PRP without proof (not generated)
2019-05-12ky0urakuC-PRP
987D55C64863842C
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
2017-12-22Oliver KruseNF-PM1
B1=680000, B2=13430000, E=12
2017-07-31Strolling JellyfishNF
no factor from 2^75 to 2^76
2017-07-31Strolling JellyfishNF
no factor from 2^74 to 2^75
2017-04-28-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-191997rj7NF
no factor from 2^72 to 2^73
2014-02-25nate.andersNF
no factor from 2^71 to 2^72
2014-02-25nate.andersNF
no factor from 2^70 to 2^71
2014-02-23nate.andersNF
no factor from 2^69 to 2^70
2014-02-23nate.andersNF
no factor from 2^68 to 2^69
2013-03-02-Anonymous-NF
no factor from 2^67 to 2^68
2013-02-24Freaks32NF
no factor from 2^66 to 2^67
2013-01-30E.LechnerNF
no factor from 2^65 to 2^66
2010-11-24Architects CubedNF
no factor from 2^64 to 2^65