45 001 289 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 =	550000
B2 =	15950000

Status	Date	User	Residue	Shift	Software
Verified	2009-02-09	Numberwang	F7FC46B63E5515E2	27856645	Windows,Prime95,v25.9,build 3
Bad	2012-04-29	Numberwang	0000000000000002	0	CUDALucas v2.00
Bad	2012-06-30	Numberwang	4DD4F150EDCB32DB	0	CUDALucas v2.03
Bad	2012-11-24	Numberwang	0695408C04F26D16	0	CUDALucas v2.04 Beta
Verified	2012-12-16	Numberwang	F7FC46B63E5515E2	0	CUDALucas v2.04 Beta
Verified	2015-06-11	MadPoo 🙂	F7FC46B63E5515E2	912881	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2021-03-13	mikr	NF	no factor TF: 74-75
2015-06-11	MadPoo 🙂	C-LL	F7FC46B63E5515E2
2015-03-29	-anonymous-	NF	no factor TF: 73-74
2015-03-29	-anonymous-	NF	no factor TF: 72-73
2015-03-29	-anonymous-	NF	no factor TF: 71-72
2015-03-29	-anonymous-	NF	no factor TF: 70-71
2015-03-29	-anonymous-	NF	no factor TF: 69-70
2014-08-18	NR	NF	no factor TF: 68-69
2012-12-16	Numberwang	C-LL	F7FC46B63E5515E2
2012-11-24	Numberwang	C-LL	0695408C04F26D16
2012-06-30	Numberwang	C-LL	4DD4F150EDCB32DB
2012-04-29	Numberwang	C-LL	0000000000000002
2009-02-09	Numberwang	C-LL	F7FC46B63E5515E2
2009-01-07	Numberwang	NF-PM1	B1=550000, B2=15950000
2007-12-03	ITS	NF	no factor TF: 1-68
2006-11-28	-anonymous-	NF	no factor TF: 1-63