33 601 913 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷¹

P-1

B1 =	395000
B2 =	10566250

Status	Date	User	Residue	Shift	Software
Verified	2003-08-25	Gábor Holló	995E736147D1F9FF	13133043	Windows,Prime95,v23,(aka WZ1)
Verified	2014-12-13	Chuck	995E736147D1F9FF	16432182	Windows 64-bit,Prime95,v28.5,build 1

History

Date	User	Type	Result
2020-04-19	-anonymous-	NF	no factor TF: 73-74
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2014-12-13	Chuck	C-LL	995E736147D1F9FF
2013-05-13	kdgehman	NF	no factor TF: 70-71
2013-05-13	kdgehman	NF	no factor TF: 69-70
2012-11-22	kracker	NF	no factor TF: 68-69
2003-08-25	-anonymous-	C-LL	995E736147D1F9FF
2003-06-30	-anonymous-	NF-PM1	B1=395000, B2=10566250
2003-06-23	-anonymous-	NF	no factor TF: 1-68
2003-06-06	markr	NF	no factor TF: 1-64