58 365 287 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 =	815000
B2 =	815000

Status	Date	User	Residue	Shift	Software
Verified	2015-05-01	heiopei	27065F3E9D8B622A	45242431	Linux 64-bit,Prime95,v28.5,build 2
Verified	2021-07-19	TAMUC-ComputerScience	27065F3E9D8B622A	35998803	Windows 64-bit,Prime95,v29.4,build 8
Verified	2023-01-04	Reed_Young	27065F3E9D8B622A	14736239	Linux 64-bit,Prime95,v26.6,build 3

History

Date	User	Type	Result
2023-01-04	Reed_Young	C-LL	27065F3E9D8B622A
2021-07-19	TAMUC-ComputerScience	C-LL	27065F3E9D8B622A
2016-02-23	Mark Rose	NF	no factor TF: 61-63
2015-05-01	heiopei	C-LL	27065F3E9D8B622A
2015-01-03	fre_games	NF	no factor TF: 73-74
2012-08-15	Jerry Hallett	NF	no factor TF: 72-73
2012-07-07	TheJudger	NF	no factor TF: 71-72
2012-02-15	-anonymous-	NF-PM1	B1=815000
2011-11-03	shauge	NF	no factor TF: 70-71
2011-07-02	TheJudger	NF	no factor TF: 69-70
2011-07-02	TheJudger	NF	no factor TF: 68-69
2009-06-03	Dk Systems	NF	no factor TF: 67-68
2009-01-16	pius	NF	no factor TF: 66-67
2009-01-14	pius	NF	no factor TF: 65-66
2009-01-12	-anonymous-	NF	no factor TF: 64-65
2008-10-29	ANONYMOUS	NF	no factor TF: 63-64
2003-11-28	-anonymous-	NF	no factor TF: 1-61
2003-07-30	-anonymous-	NF	no factor TF: 1-59
2002-09-22	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-06-29	-anonymous-	NF	no factor TF: 1-56
2000-06-28	-anonymous-	NF	no factor TF: 1-56
2000-02-09	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53

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