46 841 419 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 =	570000
B2 =	15817500

Status	Date	User	Residue	Shift	Software
Verified	2010-04-29	Kyle Z Schmidt	F03A0F0F8752D4B7	19102329	Windows,Prime95,v25.9,build 4
Verified	2017-03-06	-anonymous-	F03A0F0F8752D4B7	23213114	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2017-12-31	Andrew B	NF	no factor TF: 72-73
2017-03-06	-anonymous-	C-LL	F03A0F0F8752D4B7
2015-12-02	AirSquirrels	NF	no factor TF: 71-72
2015-12-02	AirSquirrels	NF	no factor TF: 70-71
2015-05-31	el grocco	NF	no factor TF: 69-70
2014-09-05	VictordeHollander	NF	no factor TF: 68-69
2010-04-29	Kyle Z Schmidt	C-LL	F03A0F0F8752D4B7
2009-10-22	Kyle Z Schmidt	NF-PM1	B1=570000, B2=15817500
2008-03-03	ANONYMOUS	NF	no factor TF: 1-68