46 952 999 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 =	800000
B2 =	800000

Status	Date	User	Residue	Shift	Software
Bad	2010-06-02	RangerNine	7B64D9DF6C7B9087	38237272	Windows,Prime95,v25.8,build 5
Verified	2017-02-23	cuBerBruce	B02DBD4134469F93	21666795	Windows 64-bit,Prime95,v28.7,build 1
Verified	2017-02-27	ktony	B02DBD4134469F93	19545184	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2017-02-27	ktony	C-LL	B02DBD4134469F93
2017-02-23	cuBerBruce	C-LL	B02DBD4134469F93
2017-02-14	Bruno Victal	NF	no factor TF: 72-73
2015-11-20	-anonymous-	NF	no factor TF: 71-72
2015-06-17	Mark Rose	NF	no factor TF: 70-71
2015-05-15	Architects Cubed	NF	no factor TF: 69-70
2014-09-07	VictordeHollander	NF	no factor TF: 68-69
2010-06-02	RangerNine	C-LL	7B64D9DF6C7B9087
2008-11-09	-anonymous-	NF-PM1	B1=800000
2008-03-03	GrunwalderGIMP	NF	no factor TF: 1-68