52 860 001 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 =	18742500

Status	Date	User	Residue	Shift	Software
Verified	2012-12-15	JMGarcia	66D6FC1A73F0856E	30525069	Windows Service,Prime95,v27.6,build 1
Verified	2020-07-07	Dubslow	66D6FC1A73F0856E	3751190	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2020-07-07	Dubslow	C-LL	66D6FC1A73F0856E
2019-07-02	-anonymous-	NF	no factor TF: 73-74
2015-12-18	Sid & Andy	NF	no factor TF: 72-73
2012-12-15	JMGarcia	C-LL	66D6FC1A73F0856E
2012-01-16	megavink	NF	no factor TF: 71-72
2012-01-16	megavink	NF	no factor TF: 70-71
2012-01-16	megavink	NF	no factor TF: 69-70
2010-08-02	Bold_Seeker	NF	no factor TF: 68-69
2010-08-01	NoPa	NF-PM1	B1=630000, B2=18742500
2009-06-26	Sturle Sunde	NF	no factor TF: 67-68
2008-12-14	-anonymous-	NF	no factor TF: 66-67
2008-12-14	-anonymous-	NF	no factor TF: 65-66
2008-12-13	tmorrow	NF	no factor TF: 64-65
2008-11-09	Derek	NF	no factor TF: 1-64
2008-07-25	-anonymous-	NF	no factor TF: 1-63
2004-03-26	1997rj7	NF	no factor TF: 1-60
2002-06-02	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-05-10	-anonymous-	NF	no factor TF: 1-56
2000-02-23	-anonymous-	NF	no factor TF: 1-54
2000-01-04	-anonymous-	NF	no factor TF: 1-53
1999-12-01	-anonymous-	NF	no factor TF: 1-53

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