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
79240237Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 684015150
LL
StatusDateUserResidueShift
Unverified2018-05-20twmossF7A946A7774551__2427974
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-14GregB29CBEBB47442D8E013
History
DateUserTypeResult
2025-09-14Fabrice BelletCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-09-14GregC-PRP
B29CBEBB47442D8E
PRP proof power = 9
PRP: Verified
Proof certified good
2025-09-09LookASNF-PM1
B1=675000, B2=684015150
2025-08-03ElectricBillNF
no factor from 2^75 to 2^76
2018-05-20twmossC-LL
F7A946A7774551__
2016-08-18Smok_bmv NF-PM1
B1=685000, B2=12672500
2016-07-22AirSquirrelsNF
no factor from 2^74 to 2^75
2016-07-22AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-22AirSquirrelsNF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^63 to 2^64
2016-04-04Mark RoseNF
no factor from 2^64 to 2^65
2016-02-20DerekNF
no factor from 2^71 to 2^72
2013-07-13SMoffatNF
no factor from 2^70 to 2^71
2013-01-29ITSNF
no factor from 2^69 to 2^70
2013-01-23Cow_tippingNF
no factor from 2^68 to 2^69
2012-09-28AxelssonNF
no factor from 2^67 to 2^68
2011-03-22JMGarciaNF
no factor from 2^66 to 2^67
2011-01-20Matthew SheasbyNF
no factor from 2^65 to 2^66