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
72983881Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 675000
B2 = 14006250
LL
StatusDateUserResidueShift
Unverified2017-06-14Evgeniy Zavialov7BB5EFE1860338__35388251
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-28Luke DurantC5243EB424AE0CC9013
History
DateUserTypeResult
2024-10-28Michal MilsimrCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-28Luke DurantC-PRP
C5243EB424AE0CC9
PRP proof power = 9
PRP: Verified
Proof certified good
2017-06-14Evgeniy ZavialovC-LL
7BB5EFE1860338__
2016-05-03FredrikNF
no factor from 2^74 to 2^75
2014-08-03TheJudgerNF-PM1
B1=675000, B2=14006250, E=12
2014-07-21NickOfTimeNF
no factor from 2^73 to 2^74
2014-07-21NickOfTimeNF
no factor from 2^72 to 2^73
2014-07-21NickOfTimeNF
no factor from 2^71 to 2^72
2013-07-12ITSNF
no factor from 2^70 to 2^71
2012-12-04Clown_RoyalNF
no factor from 2^69 to 2^70
2010-10-10forrest-lumpkinNF
no factor from 2^68 to 2^69
2010-10-08Ge yongNF
no factor from 2^67 to 2^68
2010-10-03Ge yongNF
no factor from 2^66 to 2^67
2010-09-30Ge yongNF
no factor from 2^65 to 2^66
2010-09-29-Anonymous-NF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64