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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
74518289Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12090000
LL
StatusDateUserResidueShift
Unverified2016-04-18jbach67B017EB4746C0A9__16246932
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-11-28Luke Durant60B66ABE2F807AD5013
History
DateUserTypeResult
2024-11-28COMPUTRON9001CERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-11-28Luke DurantC-PRP
60B66ABE2F807AD5
PRP proof power = 9
PRP: Verified
Proof certified good
2016-04-18jbach67C-LL
B017EB4746C0A9__
2016-04-02Mark RoseNF
no factor from 2^57 to 2^64
2016-03-06monstNF-PM1
B1=620000, B2=12090000, E=6
2016-02-15AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-15AirSquirrelsNF
no factor from 2^73 to 2^74
2015-10-17BdotNF
no factor from 2^72 to 2^73
2015-08-22ChuckNF
no factor from 2^71 to 2^72
2013-12-09ANONYMOUSNF
no factor from 2^70 to 2^71
2012-10-23NoWhereManNF
no factor from 2^69 to 2^70
2010-09-15S00030NF
no factor from 2^68 to 2^69
2010-09-14GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-09-13ddboy3NF
no factor from 2^66 to 2^67
2010-07-11Charles A. MorrisNF
no factor from 2^65 to 2^66
2010-07-09Cow_tippingNF
no factor from 2^64 to 2^65