46 328 993 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 2⁷⁵

TF target 2⁷²

P-1

B1 =	850000
B2 =	17500000

Status	Date	User	Residue	Shift	Software
Bad	2009-04-24	curtisc	A27191131F1883CE	6060948	Windows Service,Prime95,v25.8,build 1
Verified	2015-09-23	MadPoo 🙂	AE05FCA6BD30C880	16207672	Windows 64-bit,Prime95,v26,(aka We4)
Verified	2016-06-14	AirSquirrels	AE05FCA6BD30C880	0	clLucas v1.04

History

Date	User	Type	Result
2020-11-24	-anonymous-	NF	no factor TF: 74-75
2020-01-11	-anonymous-	NF	no factor TF: 73-74
2018-07-08	ixfd64	NF-PM1	B1=850000, B2=17500000, E=12
2018-02-18	-anonymous-	NF	no factor TF: 72-73
2016-06-14	AirSquirrels	C-LL	AE05FCA6BD30C880
2015-10-01	Bruno Victal	NF	no factor TF: 71-72
2015-09-23	MadPoo 🙂	C-LL	AE05FCA6BD30C880
2015-06-30	Mark Rose	NF	no factor TF: 70-71
2015-06-25	Sid & Andy	NF	no factor TF: 69-70
2014-08-26	VictordeHollander	NF	no factor TF: 68-69
2009-04-24	curtisc	C-LL	A27191131F1883CE
2009-02-09	curtisc	NF-PM1	B1=795000
2008-01-15	Darkside	NF	no factor TF: 1-68