15 is a multiple of 5.
15 is not a factor of 25.
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A common factor refers to a factor that is COMMON to two or more numbers. You have only one number in the question! Any integer greater than 154590 is not a factor.
the greatest common factor of 6,12, and 15 is 3.
The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.
What is the greatest common factor of 9, 18, and 15.The answer is....3
Factors of 15 are 1, 3, 5, and 15. Factors of 63 are 1, 3, 7, 9, 21, and 63. The greatest common factor of 15 and 63 is 3.