45 705 613 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 =	640000
B2 =	13280000

Status	Date	User	Residue	Shift	Software
Verified	2010-07-12	Kyle Z Schmidt	5A50609048A14A84	4898159	Windows,Prime95,v24 final,(aka Wc1)
Verified	2018-10-04	Son Johan	5A50609048A14A84	32830817	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2018-10-04	Son Johan	C-LL	5A50609048A14A84
2017-12-22	Architects Cubed	NF-PM1	B1=640000, B2=13280000, E=12
2017-12-17	One Man	NF	no factor TF: 72-73
2015-11-06	-anonymous-	NF	no factor TF: 71-72
2015-11-06	-anonymous-	NF	no factor TF: 70-71
2010-07-12	Kyle Z Schmidt	C-LL	5A50609048A14A84
2009-09-16	ANONYMOUS	NF-PM1	B1=640000
2009-06-15	ANONYMOUS	NF	no factor TF: 1-70
2007-12-31	ComputerraRU	NF	no factor TF: 66-67
2007-12-31	ComputerraRU	NF	no factor TF: 67-68
2007-12-31	ComputerraRU	NF	no factor TF: 64-65
2007-12-31	ComputerraRU	NF	no factor TF: 65-66
2007-02-05	1997rj7	NF	no factor TF: 1-63
2000-12-14	Joss	NF	no factor TF: 1-54