44 163 461 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 2⁷⁴

TF target 2⁷²

P-1

B1 =	510000
B2 =	9817500

Status	Date	User	Residue	Shift	Software
Verified	2008-11-07	Kyle Z Schmidt	ABD53E1580D0A5B0	40097005	Windows,Prime95,v24 final,(aka Wc1)
Verified	2017-02-03	curtisc	ABD53E1580D0A5B0	36087569	Windows Service,Prime95,v28.7,build 1

History

Date	User	Type	Result
2022-04-10	TheJudger	NF	no factor TF: 73-74
2022-04-10	TheJudger	NF	no factor TF: 72-73
2017-02-03	curtisc	C-LL	ABD53E1580D0A5B0
2015-10-02	-anonymous-	NF	no factor TF: 71-72
2015-10-02	-anonymous-	NF	no factor TF: 70-71
2015-05-08	LaurV	NF	no factor TF: 69-70
2014-02-05	LaurV	NF	no factor TF: 68-69
2008-11-18	Kyle Z Schmidt	C-LL	ABD53E1580D0A5B0
2008-11-07	Kyle Z Schmidt	C-LL	ABD53E1580D0A5B0
2008-10-04	Kyle Z Schmidt	NF-PM1	B1=510000, B2=9817500
2007-10-17	Team Prime Rib	NF	no factor TF: 1-68
2004-08-06	dave_0273	NF	no factor TF: 1-62