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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
105226643Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 774000
B2 = 23270000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-08-11Ben Delo4DC9A23F8028AF7A7463816213
History
DateUserTypeResult
2021-08-11curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-08-11Ben DeloC-PRP
4DC9A23F8028AF7A
PRP proof power = 8
PRP: Verified
Proof certified good
2021-08-09PageFaultNF-PM1
B1=774000, B2=23270000, E=12
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-03SRBaseNF
no factor from 2^73 to 2^74
2020-03-27Will HockensmithNF
no factor from 2^72 to 2^73
2015-01-15Scott BennettNF
no factor from 2^71 to 2^72
2013-10-07ITSNF
no factor from 2^70 to 2^71
2013-10-03James RushworthNF
no factor from 2^69 to 2^70
2013-09-26ITSNF
no factor from 2^68 to 2^69
2013-09-17Allan SchrumNF
no factor from 2^67 to 2^68
2013-09-09willmoreNF
no factor from 2^66 to 2^67
2012-05-10CorbyguyNF
no factor from 2^65 to 2^66
2010-08-31DerekNF
no factor from 2^64 to 2^65
2010-04-20Torchwood InstituteNF
no factor from 2^63 to 2^64