Find the LCM of the $6, 15$ by prime factorisation method ?

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Finding the LCM of $6, 15$ by prime factorisation method
Prime number: Prime numbers are natural numbers that are divided by only $1$ and itself.
Example: $2, 3, 5, 7, 11, 13, 17, 19$ etc.
LCM: The least common multiple, which is exactly divisible by each of the given numbers.
To find the factors of $6, 15$ we can use the long division method.

LCM $(6, 15) = 2 \times 3 \times 5$
Hence, LCM $(6, 15) = 30$

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