53 593 511 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷³

P-1

B1 =	630000
B2 =	17640000

Status	Date	User	Residue	Shift	Software
Bad	2011-09-22	-anonymous-	0000000000000000	0	Windows,Prime95,v25.11,build 2
Verified	2013-09-05	jRob	DBB4770FC84CA93E	25480080	Windows 64-bit,Prime95,v27.7,build 2
Verified	2014-11-09	MadPoo 🙂	DBB4770FC84CA93E	14321874	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2019-01-20	Sid & Andy	NF	no factor TF: 73-74
2016-01-17	monst	NF	no factor TF: 72-73
2014-11-09	MadPoo 🙂	C-LL	DBB4770FC84CA93E
2013-09-05	jRob	C-LL	DBB4770FC84CA93E
2012-02-21	Kevin Jaget	NF	no factor TF: 71-72
2012-02-12	Kyle Askine	NF	no factor TF: 70-71
2011-09-22	-anonymous-	C-LL	1D2885C6E90374__
2011-05-18	megavink	NF	no factor TF: 69-70
2011-01-12	mansky	NF	no factor TF: 68-69
2011-01-06	garo	NF-PM1	B1=630000, B2=17640000
2009-05-09	Alex_Kapellakis	NF	no factor TF: 67-68
2009-02-26	Sturle Sunde	NF	no factor TF: 66-67
2009-02-25	Sturle Sunde	NF	no factor TF: 65-66
2009-02-24	Sturle Sunde	NF	no factor TF: 64-65
2008-08-25	-anonymous-	NF	no factor TF: 1-64
2007-10-17	1997rj7	NF	no factor TF: 1-63
2004-06-04	1997rj7	NF	no factor TF: 1-60
2002-07-20	-anonymous-	NF	no factor TF: 1-58
2001-08-18	-anonymous-	NF	no factor TF: 1-57
2000-05-24	-anonymous-	NF	no factor TF: 1-56
2000-03-01	-anonymous-	NF	no factor TF: 1-54
2000-01-12	-anonymous-	NF	no factor TF: 1-53
1999-12-08	-anonymous-	NF	no factor TF: 1-53

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