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There are no common factors of 15 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common.
The factors of 15 are 1, 3, 5, and 15.
Examples:
The common factors of 6 and 15 are 1 and 3.
The common factors of 15 and 90 are 1, 3, 5, and 15.
1,5,3, and 15.
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What are the common factors of 15 and 45?
Since 15 is a factor of 45, its factors are the common factors of 15 and 45. The factors of 15 are 1, 3, 5, and 15. The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors they have in common are 1, 3, 5, and 15.
What are the common factors of 11 and 15?
The factors of 11 are 1 and 11 The factors of 15 are 1,3,5, and 15. 1 is the only common factor of 11 and 15.
What are the common factors of 15 and 22?
15 and 22 share no common factors aside from 1.
What are the common factors of 8 and 15?
8 and 15 share no common factors aside from 1. 8 and 15 are coprime.
What are the common factors of 10 and 15?
1 and 5 are the common factors of 10 and 15
