The common number is 3.
3 times 3 equals 9
3 times 5 equals 15
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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.
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.
22 and 15. Their only common factor is the number 1. All of the other pairs have other common factors as well as the number 1.
What is the greatest common factor of 9, 18, and 15.The answer is....3
factors: 9: 1,3,9 15: 1,3,5,15 common afctors: 1,3 greatest common factor: 3