LCM of Two Numbers Practice Problems with Answers
There are ten (10) practice problems here about how to find the Least Common Multiple (LCM) of Two Numbers. You can use any methods to find the answer such as the prime factorization method or list method. It’s up to you which one to utilize as long as you arrive at the correct answer. Good luck!
Problem 1: Find the LCM of [latex]4[/latex] and [latex]6[/latex].
Answer
The least common multiple (LCM) of [latex]4[/latex] and [latex]6[/latex] is [latex]\color{red}12[/latex].
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Problem 2: Find the LCM of [latex]3[/latex] and [latex]5[/latex].
Answer
The least common multiple (LCM) of [latex]3[/latex] and [latex]5[/latex] is [latex]\color{red}15[/latex].
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Problem 3: Find the LCM of [latex]8[/latex] and [latex]18[/latex].
Answer
The least common multiple (LCM) of [latex]8[/latex] and [latex]18[/latex] is [latex]\color{red}72[/latex].
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Problem 4: Find the LCM of [latex]14[/latex] and [latex]16[/latex].
Answer
The least common multiple (LCM) of [latex]14[/latex] and [latex]16[/latex] is [latex]\color{red}112[/latex].
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Problem 5: Find the LCM of [latex]12[/latex] and [latex]15[/latex].
Answer
The least common multiple (LCM) of [latex]12[/latex] and [latex]15[/latex] is [latex]\color{red}60[/latex].
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Problem 6: Find the LCM of [latex]18[/latex] and [latex]30[/latex].
Answer
The least common multiple (LCM) of [latex]18[/latex] and [latex]30[/latex] is [latex]\color{red}90[/latex].
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Problem 7: Find the LCM of [latex]16[/latex] and [latex]28[/latex].
Answer
The least common multiple (LCM) of [latex]16[/latex] and [latex]28[/latex] is [latex]\color{red}112[/latex].
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Problem 8: Find the LCM of [latex]14[/latex] and [latex]22[/latex].
Answer
The least common multiple (LCM) of [latex]14[/latex] and [latex]22[/latex] is [latex]\color{red}154[/latex].
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Problem 9: Find the LCM of [latex]21[/latex] and [latex]27[/latex].
Answer
The least common multiple (LCM) of [latex]21[/latex] and [latex]27[/latex] is [latex]\color{red}189[/latex].
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Problem 10: Find the LCM of [latex]22[/latex] and [latex]24[/latex].
Answer
The least common multiple (LCM) of [latex]22[/latex] and [latex]24[/latex] is [latex]\color{red}264[/latex].
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