What is the lowest common factor of 12 and 15

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asked Jan 13, 2018 219k views

2 Answers

Neinstein · Answer 1 · 2018-01-18T22:59:23+0000

The factors of 12 are : 1, 2, 3, 4, 6, 12.
The factors of 15 are : 1, 3, 5, 15.
1 and 3 are the only common factors (numbers which are factors of both 12 and 15).
Therefore, the highest common factor of 12 and 15 is 3.

What is the lowest common factor of 12 and 15

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