33 699 451 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	Brand	97C9097EF6A0E5C3	28737505	Windows,Prime95,v23,(aka WZ1)
Bad	2014-12-27	s_c	5082132E2DF2AE59	30351579	Linux 64-bit,Prime95,v28.5,build 2
Verified	2015-01-06	Dubslow	97C9097EF6A0E5C3	29247845	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2020-04-19	-anonymous-	NF	no factor TF: 73-74
2019-12-08	-anonymous-	NF	no factor TF: 72-73
2018-09-29	Architects Cubed	NF	no factor TF: 71-72
2015-01-06	Dubslow	C-LL	97C9097EF6A0E5C3
2014-12-27	s_c	C-LL	5082132E2DF2AE59
2014-04-21	axn	NF	no factor TF: 70-71
2012-12-28	bcp19	NF	no factor TF: 69-70
2012-12-28	bcp19	NF	no factor TF: 68-69
2004-02-23	-anonymous-	C-LL	97C9097EF6A0E5C3
2003-12-31	-anonymous-	NF-PM1	B1=380000, B2=7790000
2003-12-23	-anonymous-	NF	no factor TF: 1-68
2003-09-14	markr	NF	no factor TF: 1-64
2003-06-09	markr	NF	no factor TF: 1-63