It is: 24
48 + 72 = 120
The lcm of 48 and 72 is 144
120 - 48 = 72
1.5 x 48 = 72
0.6667
48 x 72 = 3456
The GCF of 48 and 72 is 24. 48/72 reduces to 2/3
The GCF is 24.
24, 48, 72.
Simplified.. 48/72 = 2/3
48/72 = 2/3
There is only one GCF of 48 and 72 and it is NOT prime. The greatest common factor of 48 and 72 is 24.