46 954 673 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 =	495000
B2 =	4331250

Status	Date	User	Residue	Shift	Software
Verified	2010-12-10	ahmerali	4D0A2C9A5270AB16	21380652	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2019-03-06	chuenkit	4D0A2C9A5270AB16	35708556	Windows 64-bit,Prime95,v29.5,build 5

History

Date	User	Type	Result
2019-03-06	chuenkit	C-LL	4D0A2C9A5270AB16
2017-11-11	Kevin Jaget	NF	no factor TF: 72-73
2015-11-20	-anonymous-	NF	no factor TF: 71-72
2015-10-23	Architects Cubed	NF	no factor TF: 70-71
2010-12-10	ahmerali	C-LL	4D0A2C9A5270AB16
2010-10-02	ahmerali	NF	no factor TF: 1-70
2010-10-02	ahmerali	NF	no factor TF: 1-70
2008-12-11	-anonymous-	NF-PM1	B1=495000, B2=4331250
2008-03-11	-anonymous-	NF	no factor TF: 1-68