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
96001991Composite: proven not-prime with PRP test
TF
No factors below 279
TF target 275
P-1
B1 = 645000
B2 = 11448750
LL
StatusDateUserResidueShift
Unverified2016-05-24QingkongC8F01B95C915E4__1479284
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-01-03LordJulius48CA3BC77CF747A93004421013
History
DateUserTypeResult
2022-01-04garoCERT
PRP Certification
CERT proof power = 9
Proof certified good
2022-01-03LordJuliusC-PRP
48CA3BC77CF747A9
PRP proof power = 9
PRP: Verified
Proof certified good
2016-05-24QingkongC-LL
C8F01B95C915E4__
2016-03-23QingkongNF-PM1
B1=645000, B2=11448750, E=12
2015-12-21Mark RoseNF
no factor from 2^78 to 2^79
2015-12-21Mark RoseNF
no factor from 2^77 to 2^78
2015-12-21Mark RoseNF
no factor from 2^76 to 2^77
2015-12-21Mark RoseNF
no factor from 2^75 to 2^76
2015-12-21Mark RoseNF
no factor from 2^74 to 2^75
2015-12-21Mark RoseNF
no factor from 2^73 to 2^74
2012-01-19PiepenNF
no factor from 2^72 to 2^73
2012-01-19PiepenNF
no factor from 2^71 to 2^72
2012-01-19PiepenNF
no factor from 2^70 to 2^71
2012-01-19PiepenNF
no factor from 2^69 to 2^70
2012-01-19PiepenNF
no factor from 2^68 to 2^69
2012-01-19PiepenNF
no factor from 2^67 to 2^68
2012-01-19PiepenNF
no factor from 2^66 to 2^67
2012-01-19PiepenNF
no factor from 2^65 to 2^66
2012-01-19PiepenNF
no factor from 2^66 to 2^79
2011-01-18Architects CubedNF
no factor from 2^64 to 2^65