45 000 017 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 2⁷⁵

TF target 2⁷²

P-1

B1 =	545000
B2 =	15260000

Status	Date	User	Residue	Shift	Software
Verified	2009-02-22	-anonymous-	DAD63D3B7C4A242D	1417919	Windows,Prime95,v24 final,(aka Wc1)
Verified	2012-03-02	Dubslow	DAD63D3B7C4A242D	19209874	Linux 64-bit,Prime95,v27.3,build 1
Verified	2016-03-21	-anonymous-	DAD63D3B7C4A242D	29878787	Windows 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2024-07-20	Jarod McClintock	NF	no factor TF: 72-73
2024-05-16	James Heinrich	NF	no factor TF: 68-69
2021-03-11	mikr	NF	no factor TF: 74-75
2019-11-18	Conductor	NF	no factor TF: 73-74
2017-03-26	Conductor	NF	no factor TF: 72-73
2016-03-21	-anonymous-	C-LL	DAD63D3B7C4A242D
2012-03-02	Dubslow	C-LL	DAD63D3B7C4A242D
2012-02-05	Serge Batalov	NF	no factor TF: 71-72
2012-02-05	Serge Batalov	NF	no factor TF: 70-71
2012-02-05	Serge Batalov	NF	no factor TF: 69-70
2012-02-05	Carsten Kossendey	NF	no factor TF: 68-69
2012-01-14	timbit	NF-PM1	B1=545000, B2=15260000
2009-02-22	-anonymous-	C-LL	DAD63D3B7C4A242D
2007-11-17	ComputerraRU	NF	no factor TF: 66-67
2007-11-17	ComputerraRU	NF	no factor TF: 67-68
2007-11-17	ComputerraRU	NF	no factor TF: 65-66
2006-11-28	-anonymous-	NF	no factor TF: 1-65
2000-09-29	Joss	NF	no factor TF: 1-54