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Printable LCM practice worksheet with 13 problems on finding least common multiples using multiples and prime factorization.
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Least Common Multiple Practice

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This printable least-common-multiple worksheet gives 9th graders 13 problems in two parts: six circle-the-answer problems using lists of multiples, and seven find-the-LCM problems using prime factorization. Pairs include 1 and 5, 2 and 6, 12 and 18, and 36 and 60. Useful for number-theory review, homework, or practice before a quiz.

Subject:
Math
Topic:
Arithmetic
Grade Level:
9th Grade
Updated September 2025

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