15 and 22 share no common factors aside from 1.
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The factors of 15 are:1, 3, 5, 15The factors of 22 are:1, 2, 11, 22The Greatest Common Factor (GCF) is: 1
The common factors of 22 and 42 are: 1 and 2
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.
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.
The factors of 22 are: 1, 2, 11, 22.The factors of 46 are: 1, 2, 23, 46.The common factors are: 1, 2.The Greatest Common Factor (GCF) is: 2