33 158 183 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 =	420000
B2 =	7875000

Status	Date	User	Residue	Shift	Software
Verified	2007-04-07	Anita Godfrey	0E6E55CC464CB0CF	32036791	Windows,Prime95,v24 final,(aka Wc1)
Verified	2014-10-02	Dubslow	0E6E55CC464CB0CF	10037979	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2021-10-13	Smok_bmv	NF	no factor TF: 73-74
2020-01-22	Architects Cubed	NF-PM1	B1=420000, B2=7875000, E=12
2019-11-15	-anonymous-	NF	no factor TF: 71-72
2019-11-15	-anonymous-	NF	no factor TF: 72-73
2014-10-02	Dubslow	C-LL	0E6E55CC464CB0CF
2014-02-08	kracker	NF	no factor TF: 70-71
2013-01-11	apsen	NF	no factor TF: 69-70
2012-06-30	megavink	NF	no factor TF: 68-69
2012-02-28	Carsten Kossendey	NF	no factor TF: 67-68
2007-04-07	-anonymous-	C-LL	0E6E55CC464CB0CF
2006-08-25	-anonymous-	NF-PM1	B1=550000
2006-01-15	Dk Systems	NF	no factor TF: 1-67
2005-07-17	-anonymous-	NF	no factor TF: 1-62
2005-01-10	1997rj7	NF	no factor TF: 1-61
2000-12-07	Joss	NF	no factor TF: 1-56