45 161 959 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 2⁷³

TF target 2⁷²

P-1

B1 =	460000
B2 =	9775000

Status	Date	User	Residue	Shift	Software
Verified	2011-12-16	Dubslow	26D91841AE40DEB4	21624954	Linux 64-bit,Prime95,v26.6,build 3
Verified	2018-05-18	jg5	26D91841AE40DEB4	16114074	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2018-05-18	jg5	C-LL	26D91841AE40DEB4
2017-11-22	One Man	NF	no factor TF: 72-73
2016-02-23	Mark Rose	NF	no factor TF: 63-64
2011-12-16	Dubslow	C-LL	26D91841AE40DEB4
2011-11-25	Aaron Haviland	NF	no factor TF: 71-72
2011-11-17	David Campeau	NF-PM1	B1=460000, B2=9775000, E=6
2011-11-17	kdgehman	NF	no factor TF: 70-71
2011-11-17	kdgehman	NF	no factor TF: 69-70
2011-11-17	kdgehman	NF	no factor TF: 68-69
2008-02-03	firehawk	NF	no factor TF: 67-68
2008-02-03	firehawk	NF	no factor TF: 65-66
2008-02-03	firehawk	NF	no factor TF: 66-67
2008-02-03	firehawk	NF	no factor TF: 64-65
2007-02-20	1997rj7	NF	no factor TF: 1-63