Question

Find the value of n such that LCM of n and 15 is 45

Answer 1

$15 = 3 \times 5 \times 1 \\ \\ 45 = 3 \times 3 \times 5 \\ \\ \huge \: lcm = 3 \times 3 \times 5 = 45$

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Answer 2

Answer:

To find : The smallest value of n. Solution : Smallest value of n such that the LCM of n and 15 is 45. Therefore, The smallest number is 9.