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What is least common multiple of 28,12,14,21?
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What is least common multiple of 28,12,14,21?

User Chad Pavliska
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1 Answer

3 votes
Reducing the numbers to prime factors
28 = 7 * 2 * 2
12 = 3 * 2 * 2
14 = 7 * 2
21 = 7 * 3

None of the numbers have a prime number in common with the others.
So, the least common multiple would be 12


User Mourad Zouabi
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