1, 2, 3, 4, 6, 12
1, 3, 5, 15
3 is a factor of 12 & a factor of 15, so it's a common factor between 12 & 15. Also, as it's the only common factor between them, in addition to 1 of course, it's the highest common factor between 12 & 15.
The Greatest Common Factor of 12, 44, 15: 1
The factors of 12 are: 1, 2, 3, 4, 6, 12 The factors of 15 are: 1, 3, 5, 15 Therefor the greatest common factor of 12 and 15 is 3. :)
the greatest common factor of 6,12, and 15 is 3.
The greatest common factor of the numbers 15 and 12 is 3.
12 6,2 3,2,2 15 3,5
The only common factor of 12, 35 and 15 is: 1
The GCF is 3.
3
3
1 and 3
Factors of 12... 1,2,3,4,6,12Factors of 15... 1,3,5,15