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Method of Finding HCF

Find the L....

Question

Find the $L . C . M .$ of the following numbers using prime factorization method: $63, 105$

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Solution

LCM $63 = 2 \times 3 \times 7$
$105 = 7 \times 3 \times 5$
LCM = $3 \times 7 = 21$

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