60
30,2
15,2,2
5,3,2,2
72
36,2
18,2,2
9,2,2,2
3,3,2,2,2
The greatest factor is 72 which is a factor of 72 (though not of 60).
No, 15 is not a factor of 72.
The GCF of 60 and 72 is 12.
The highest common factor of the numbers 30, 60 and 72 is 6.
The highest common factor of the numbers 36, 60 and 72 is 12.
2x2x2x3x3
72 8,9 2,4,3,3 2,2,2,3,3
Because 45 is not a factor of 60.
The GCF of 18, 60, and 72 is 6.
72 ^ 9x8 ^ ^ 3x3 4x2 ^ 2x2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2