We want the GCF or highest common factor of 15 and 24. The factors of 15 and 1,3, and 5.
For 24 we have 1,3, 8, 12 and 24.
Since 5 is not a factor of 24, the GCF or highest factor is 3
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The factors of 15 are: 1, 3, 5, 15
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24
The common factors are: 1, 3
There is only one greatest common factor, which is 2. The only other common factor is 1.
The greatest common factor of 15 and 105 is 15.
Since 15 is a factor of 60, it is automatically the GCF.
The greatest common factor (GCF) is: 5.
Since 5 is a factor of 15, it is automatically the greatest common factor of the pair.
The greatest common factor is one.