Least Common Multiple Worksheets

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Seek out practice that distinguishes as you go through our free, printable least common multiple worksheets and get to grips with finding the LCM of two and three numbers. With practice exercises on spotting the common multiples of two numbers and finding the LCM by listing the multiples, factoring, and division methods and well-researched real world problems where children need to decide between GCF and LCM, this compilation covers the A-Z of the topic. Plug in and prep up!

These pdf LCM worksheets are most recommended for the 5th grade, 6th grade, and 7th grade students.

CCSS: 6.NS

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Common Multiples

What do you think are the common multiples of 3 and 6? That's easy, all multiples of 6 are obviously multiples of 3. What about 8 and 9? Well, that's going to take some time! Find many such interesting pairs here.

Common Multiples

Finding LCM by Listing Common Multiples - Worksheet #1

As you already know how to identify the common multiples of two numbers, you can gracefully glide through this free task. Take a gander at the number pairs, list their multiples, spot the common ones, and figure out the least in the list.

Finding LCM by Listing Common Multiples 1

Finding LCM by Listing Common Multiples - Worksheet #2

Practice makes perfect! Polish your skills of determining the LCM by finding the common multiples with this printable least common multiple worksheet for grade 5 and grade 6.

Finding LCM by Listing Common Multiples 2

LCM of Two Numbers

You've mastered determining the LCM by finding common multiples, but it's not time to put the flags out yet! Answer this pdf worksheet to ace the other methods of determining the LCM, like factoring and long division.

LCM of Two Numbers

LCM of Three Numbers

When it comes to three numbers, applying the division method is time-saving. Divide them by the common factors if any, repeat the steps for two numbers, and press on until you've no common factors. Multiply the factors and the quotients for the LCM.

LCM of Three Numbers

LCM and GCF Word Problems

Explore a wide range of word problems on applying GCF and LCM. Children in grade 6 and grade 7 read each scenario, identify whether it requires finding the GCF or LCM based on the keywords, and solve them.

LCM and GCF Word Problems

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