45 391 007 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 =	495000
B2 =	11632500

Status	Date	User	Residue	Shift	Software
Verified	2011-11-28	Dubslow	862681116AFF5630	3119205	Windows 64-bit,Prime95,v26.6,build 3
Verified	2017-02-22	-anonymous-	862681116AFF5630	37910179	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2020-04-06	Sid & Andy	NF	no factor TF: 74-75
2019-12-20	-anonymous-	NF	no factor TF: 73-74
2018-07-30	-anonymous-	NF	no factor TF: 72-73
2017-02-22	-anonymous-	C-LL	862681116AFF5630
2011-11-28	Dubslow	C-LL	862681116AFF5630
2011-11-09	Dubslow	NF-PM1	B1=495000, B2=11632500, E=12
2011-10-25	Eric Christenson	NF	no factor TF: 71-72
2011-10-25	Eric Christenson	NF	no factor TF: 70-71
2011-10-25	Eric Christenson	NF	no factor TF: 69-70
2011-10-25	Eric Christenson	NF	no factor TF: 68-69
2007-12-03	Peter Németh	NF	no factor TF: 1-68
2007-03-04	1997rj7	NF	no factor TF: 1-63