33 604 247 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 =	9381250

Status	Date	User	Residue	Shift	Software
Bad	2003-12-02	I8UB4U81	AF003142DFD8347C	9944379	Windows,Prime95,v23,(aka WZ1)
Verified	2006-04-14	Ars Technica Team Prime Rib	7E3E32E69263BCE8	23793364	Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified	2014-11-02	Sergey Nosov	7E3E32E69263BCE8	16581807	Windows Service,Prime95,v27.9,build 1

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
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2014-11-02	Sergey Nosov	C-LL	7E3E32E69263BCE8
2014-04-09	axn	NF	no factor TF: 70-71
2013-01-10	marssystems	NF	no factor TF: 69-70
2012-12-31	Carsten Kossendey	NF	no factor TF: 68-69
2006-04-14	Team Prime Rib	C-LL	7E3E32E69263BCE8
2005-05-28	-anonymous-	C-LL	AF003142DFD8347C
2005-05-28	-anonymous-	NF-PM1	B1=395000, B2=9381250
2005-05-28	-anonymous-	NF	no factor TF: 1-68
2004-03-16	-anonymous-	NF-PM1	B1=395000, B2=9381250
2004-03-16	-anonymous-	NF	no factor TF: 1-68
2004-03-16	-anonymous-	C-LL	AF003142DFD8347C
2003-12-02	-anonymous-	C-LL	AF003142DFD8347C
2003-10-31	-anonymous-	NF-PM1	B1=395000, B2=9381250
2003-10-23	-anonymous-	NF	no factor TF: 1-68