33 601 409 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 =	380000
B2 =	7790000

Status	Date	User	Residue	Shift	Software
Verified	2004-02-23	Flavius	97EA600018EAF4EC	12984094	Windows,Prime95,v23,(aka WZ1)
Verified	2014-12-18	pi	97EA600018EAF4EC	13934151	Windows Service,Prime95,v26.6,build 3

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-04-18	-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
2014-12-18	pi	C-LL	97EA600018EAF4EC
2013-01-25	bcp19	NF	no factor TF: 70-71
2013-01-20	apsen	NF	no factor TF: 69-70
2012-12-24	Carsten Kossendey	NF	no factor TF: 68-69
2004-02-23	-anonymous-	C-LL	97EA600018EAF4EC
2004-01-18	-anonymous-	NF-PM1	B1=380000, B2=7790000
2004-01-18	-anonymous-	NF	no factor TF: 1-68
2003-06-06	markr	NF	no factor TF: 1-64