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
79240327Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 684015150
LL
StatusDateUserResidueShift
Unverified2018-04-27NPC629BD480AF025A__40871286
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-14GregA76538E09E3B9D39013
History
DateUserTypeResult
2025-09-14Fabrice BelletCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-09-14GregC-PRP
A76538E09E3B9D39
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
2018-04-27NPCC-LL
629BD480AF025A__
2016-08-28David HruskaNF-PM1
B1=665000, B2=13300000, E=12
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
2016-04-05Mark RoseNF
no factor from 2^64 to 2^65
2016-02-20GregNF
no factor from 2^71 to 2^72
2013-01-23phoenicisNF
no factor from 2^70 to 2^71
2011-01-26Sergej LevinNF
no factor from 2^69 to 2^70
2010-11-26Mike LayNF
no factor from 2^68 to 2^69
2010-11-21GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-11-20pieppiepNF
no factor from 2^66 to 2^67
2010-11-17pieppiepNF
no factor from 2^65 to 2^66