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Least Common Multiple Worksheets

LCM worksheets facilitate better practice on identifying common multiples, finding the least common multiple of a pair of numbers, figuring out the LCM of three numbers and finding the LCM of monomials, binomials and polynomials. The LCM is also called as lowest common multiple or smallest common multiple. Recommended for 6th grade through 8th grade.

LCM of Whole Numbers

Common multiples

Write down the multiples of each number separately. Spot the first two common multiples of each pair of numbers.

Least Common Multiple: Common Multiples

Sheet 1 | Sheet 2 | Sheet 3

LCM: Descriptive

Find the LCM of each pair of numbers by listing a few multiples of each number separately

Least Common Multiple: Descriptive

Sheet 1 | Sheet 2 | Sheet 3

LCM: Standard

The students should find the least common multiple of each pair of numbers. The worksheets in the easy level and medium level have numbers up to 25 and 100 respectively.

Least Common Multiple: Standard

Easy: Sheet 1 | Sheet 2 | Sheet 3

Medium: Sheet 1 | Sheet 2 | Sheet 3

LCM of three numbers

Find the least common multiple of each set of three numbers. Each worksheet has 10 sets of numbers.

Least Common Multiple: Three Numbers

Sheet 1 | Sheet 2 | Sheet 3

LCM of Polynomials

LCM of monomials

Determine the lowest common multiple of each pair of monomials. The worksheets are available in two levels: Easy and medium. 

Least Common Multiple: Monomials

Easy: Sheet 1 | Sheet 2 | Sheet 3

Medium: Sheet 1 | Sheet 2 | Sheet 3

LCM of polynomials

The exercises in these worksheets are based on figuring out the LCM of each pair of polynomials.

Least Common Multiple: Polynomial

Sheet 1 | Sheet 2 | Sheet 3