This Math problem belongs to the Pre-Algebra category. Use our LCM Calculator to solve similar problems with step-by-step solutions.
Problem
$$ \operatorname{lcm}(7, 9) $$
Solution
$$63$$
Steps
Step 1
Factor the expressions that are not already factored.
$$9=3^{2}$$
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.
$$3^{2}\times 7$$
Step 3
Expand the expression.
$$63$$
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