44 034 871 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 =	750000
B2 =	750000

Status	Date	User	Residue	Shift	Software
Verified	2010-05-05	-anonymous-	0CF37FB83A88105A	25196343	Windows,Prime95,v24 final,NT service,(aka Wc5)
Bad	2017-08-20	ktony	CD3F98EA859139B0	9003501	Windows 64-bit,Prime95,v29.1,build 15
Verified	2017-08-23	ATH	0CF37FB83A88105A	3599	CUDALucas v2.05.1

History

Date	User	Type	Result
2018-04-02	Random GPUs	NF	no factor TF: 72-73
2017-08-23	ATH	C-LL	0CF37FB83A88105A
2017-08-20	ktony	C-LL	CD3F98EA859139B0
2015-10-02	-anonymous-	NF	no factor TF: 71-72
2015-10-02	-anonymous-	NF	no factor TF: 70-71
2015-04-28	LaurV	NF	no factor TF: 69-70
2014-02-01	LaurV	NF	no factor TF: 68-69
2010-05-05	-anonymous-	C-LL	0CF37FB83A88105A
2009-10-01	-anonymous-	NF-PM1	B1=750000
2007-09-28	David Campeau	NF	no factor TF: 1-68