49 722 119 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 2⁷³

P-1

B1 =	550000
B2 =	13750000

Status	Date	User	Residue	Shift	Software
Bad	2010-06-24	-anonymous-	5E725777F5FDADE7	42318916	Windows,Prime95,v25.9,build 3
Verified	2016-01-20	MadPoo 🙂	1ADA009B13F15578	37416625	Windows 64-bit,Prime95,v26,(aka We4)
Verified	2016-09-10	endless_mike	1ADA009B13F15578	25575154	Linux 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2016-09-10	endless_mike	C-LL	1ADA009B13F15578
2016-06-09	Bruno Victal	NF	no factor TF: 72-73
2016-05-27	Bruno Victal	NF-PM1	B1=550000, B2=13750000, E=12
2016-01-20	MadPoo 🙂	C-LL	1ADA009B13F15578
2015-11-25	dragonbud20	NF	no factor TF: 71-72
2015-10-06	Sid & Andy	NF	no factor TF: 70-71
2015-07-16	Sid & Andy	NF	no factor TF: 69-70
2010-06-24	-anonymous-	C-LL	5E725777F5FDADE7
2010-02-12	James	NF-PM1	B1=780000
2008-09-06	1997rj7	NF	no factor TF: 1-69