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What is the lowest common factor of 12 and 15
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What is the lowest common factor of 12 and 15

User MarkV
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2 Answers

3 votes
im 99.99% sure its 3
User Jalpesh Patel
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7.5k points
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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.
User Neinstein
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