33 603 469 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 =	290000
B2 =	5220000

Status	Date	User	Residue	Shift	Software
Verified	2004-03-16	Greg Harris	203672AB8B4652C1	6118515	Windows,Prime95,v23,(aka WZ1)
Verified	2014-11-01	tsc	203672AB8B4652C1	19008133	Windows,Prime95,v25.11,build 2

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-04-19	-anonymous-	NF	no factor TF: 73-74
2019-12-07	-anonymous-	NF	no factor TF: 72-73
2018-09-05	Architects Cubed	NF-PM1	B1=290000, B2=5220000, E=6
2018-08-20	Architects Cubed	NF	no factor TF: 71-72
2014-11-01	tsc	C-LL	203672AB8B4652C1
2014-04-09	axn	NF	no factor TF: 70-71
2013-01-07	marssystems	NF	no factor TF: 69-70
2012-12-31	Carsten Kossendey	NF	no factor TF: 68-69
2004-03-16	-anonymous-	C-LL	203672AB8B4652C1
2004-02-14	-anonymous-	NF	no factor TF: 1-68
2004-02-14	-anonymous-	NF-PM1	B1=495000