44 863 993 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 =	520000
B2 =	9880000

Status	Date	User	Residue	Shift	Software
Verified	2010-10-09	Kyle Z Schmidt	33C96A0434881DB5	35512818	Windows,Prime95,v24 final,(aka Wc1)
Verified	2016-06-25	-anonymous-	33C96A0434881DB5	17839399	Windows,Prime95,v26.6,build 3

History

Date	User	Type	Result
2024-06-20	James Heinrich	NF	no factor TF: 69-70
2022-04-03	RichD0	NF	no factor TF: 72-73
2016-06-25	-anonymous-	C-LL	33C96A0434881DB5
2015-10-16	-anonymous-	NF	no factor TF: 71-72
2015-08-18	LaurV	NF	no factor TF: 70-71
2015-08-17	Carsten Kossendey	NF	no factor TF: 69-70
2014-07-09	NR	NF	no factor TF: 68-69
2010-10-09	Kyle Z Schmidt	C-LL	33C96A0434881DB5
2010-07-14	Kyle Z Schmidt	NF-PM1	B1=520000, B2=9880000
2007-11-17	-anonymous-	NF	no factor TF: 1-68