Question

The LCM of two numbers is 819. If the two numbers are 63 and 117

find the HCF.​

Answer 1

Answer:

9

Step-by-step explanation:

HCF × LCM = a × b

HCF × 819 = 63 ×117

HCF × 819 = 7371

HCF = 7371 ÷819

HCF = 9

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Answer 2

Answer:

$\huge \bf \: given$

${1}^{st} number \: = 63$

${2}^{nd} \: \: number \: = 117$

$LCM \: of \: both \: = 819$

$\huge \bf \: to \: find$

$HCF \:$

$\huge \bf \: solution$

$Factor \: of \: 63 = \: 1,3,7,9,21,63$

$Factor \: of \: 117 = \: 1,3,9,13,39$

$common \: factor \: = 3 \: and \: 9$

$HCF \: \: = 9$