What is the LCM of 5 and 15?

This Math problem belongs to the Pre-Algebra category. Use our LCM Calculator to solve similar problems with step-by-step solutions.

Problem

$$ \operatorname{lcm}(5, 15) $$

Solution

$$15$$

Steps

Step 1

Factor the expressions that are not already factored.
$$15=3\times 5$$

Step 2

Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple.
$$3\times 5$$

Step 3

Expand the expression.
$$15$$
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