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

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02-04-2017
Mathematics

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

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wolf1728 wolf1728 · Answer 1 · 2017-04-02T07:42:22+02:00

wolf1728 wolf1728

02-04-2017

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

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