Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
73061983Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 274
P-1
B1 = 665000
B2 = 12635000
LL
StatusDateUserResidueShift
Unverified2017-06-18Evgeniy Zavialov5156C3CE228301__27935885
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-23Luke Durant8C6DFBE4ADBD2A1E013
History
DateUserTypeResult
2024-10-23EthanDCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-23Luke DurantC-PRP
8C6DFBE4ADBD2A1E
PRP proof power = 9
PRP: Verified
Proof certified good
2022-11-29Smok_bmv NF
no factor from 2^75 to 2^76
2017-06-18Evgeniy ZavialovC-LL
5156C3CE228301__
2016-05-08FredrikNF
no factor from 2^74 to 2^75
2014-08-25S36049NF-PM1
B1=665000, B2=12635000
2014-08-16BdotNF
no factor from 2^73 to 2^74
2014-08-14BdotNF
no factor from 2^72 to 2^73
2014-08-14BdotNF
no factor from 2^71 to 2^72
2012-11-22M_P_GNF
no factor from 2^70 to 2^71
2012-10-14ANONYMOUSNF
no factor from 2^69 to 2^70
2010-06-23GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-06-22OS1NF
no factor from 2^67 to 2^68
2010-06-19cesantoNF
no factor from 2^66 to 2^67
2010-05-29KivNF
no factor from 2^65 to 2^66
2010-05-29ITSNF
no factor from 2^64 to 2^65
2008-06-28George WoltmanNF
no factor to 2^64