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
79221767Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 665000
B2 = 12468750
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-04-28ky0urakuAF29D1C2D0D8CFB77693746713
Verified2019-03-09irowikiAF29D1C2D0D8CFB74473719113
History
DateUserTypeResult
2019-03-09irowikiC-PRP
AF29D1C2D0D8CFB7
PRP: Verified
PRP without proof (not generated)
2018-04-28ky0urakuC-PRP
AF29D1C2D0D8CFB7
PRP: Verified
PRP without proof (not generated)
2016-08-28markrNF-PM1
B1=665000, B2=12468750
2016-08-23A_SavchenkoNF
no factor from 2^74 to 2^75
2016-08-23A_SavchenkoNF
no factor from 2^73 to 2^74
2016-07-22cuBerBruceNF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^63 to 2^64
2016-04-05Mark RoseNF
no factor from 2^64 to 2^65
2016-02-19GregNF
no factor from 2^71 to 2^72
2013-01-23phoenicisNF
no factor from 2^70 to 2^71
2010-12-01MerckosNF
no factor from 2^69 to 2^70
2010-11-21GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-11-19wtfismyipNF
no factor from 2^67 to 2^68
2010-11-17eon_blue_apocalypseNF
no factor from 2^66 to 2^67
2010-11-16S00030NF
no factor from 2^65 to 2^66