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6th Grade Least Common Multiple (LCM) Worksheets

Ages 11-12 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

The least common multiple (LCM) is the smallest number that two or more numbers all divide into evenly, so the LCM of 4 and 6 is 12. This hub holds 3 worksheets for 6th grade, each with an answer key. Least Common Multiple of Two Numbers has 20 pairs to 30, Least Common Multiple of Numbers to 200 has pairs like 84 and 154, and Find the LCM of Three Numbers has sets like 28, 16 and 21 (CCSS 6.NS.B.4).

More factoring worksheets

Explore all of our 6th grade factoring worksheets, covering divisibility and prime factorization, greatest common factor (gcf), least common multiple (lcm).

Frequently Asked Questions

List multiples of the larger number until one is also a multiple of the smaller number, or multiply the highest power of each prime. LCM (8, 12) = 24, since 24 is the first multiple of 12 that 8 divides.

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