44 356 541 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 =	535000
B2 =	12587500

Status	Date	User	Residue	Shift	Software
Bad	2010-07-21	Rhyled	275B5807FCB92D3D	13998988	Windows 64-bit,Prime95,v25.11,build 2
Verified	2017-09-16	ATH	664F7502CE411124	22186499	CUDALucas v2.05.1
Verified	2017-09-20	ATH	664F7502CE411124	14076	CUDALucas v2.05.1
Verified	2017-09-25	kkmrkkblmbrbk	664F7502CE411124	24764172	Linux 64-bit,Prime95,v29.3,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
2017-09-25	kkmrkkblmbrbk	C-LL	664F7502CE411124
2017-09-20	ATH	C-LL	664F7502CE411124
2017-09-16	ATH	C-LL	664F7502CE411124
2015-10-04	-anonymous-	NF	no factor TF: 71-72
2015-10-04	-anonymous-	NF	no factor TF: 70-71
2015-06-18	Denial140	NF	no factor TF: 69-70
2014-03-09	Torben K.	NF	no factor TF: 68-69
2010-07-21	Rhyled	C-LL	275B5807FCB92D3D
2010-05-17	Rhyled	NF-PM1	B1=535000, B2=12587500
2007-10-17	Team Prime Rib	NF	no factor TF: 1-68
2005-03-20	dave_0273	NF	no factor TF: 1-62