The correct option is B 90 Prime factors of 15 = 3×5 Prime factors of 18 = 2×3^2 LCM for 15 and 18 = 2×3^2×5 = 90 ...

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Factors

LCM of 15 and...

Question

LCM of $15$ and $18$ is

$70$

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$90$

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$180$

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$60$

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Solution

The correct option is B
$90$

Prime factors of $15$ = $3 \times 5$

Prime factors of $18$ = $2 \times 3^{2}$

LCM for $15$ and $18$ = $2 \times 3^{2} \times 5$ = $90$

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