njbradley0790 njbradley0790

11-09-2018
Mathematics

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the least common multiple of 9 and 3 is 9

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cooldjzilla cooldjzilla

19-09-2018

Find the LCM of these sets of numbers. Multiply each factor the greatest number of times it occurs in any of the numbers. 9 has two 3s, and 21 has one 7, so we multiply 3 two times, and 7 once. This gives us 63, the smallest number that can be divided evenly by 3, 9, and 21.

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