17
51 68
17x3 4x17
2x2
you circle the prime numbers and break down the composite numbers until they are all prime. The circled one on this that is the same between the two is 17.
The greatest common factor (GCF) is: 17
17
The GCF is 17.
The GCF is 17.
The greatest common factor of 12 and 68 is 4
The greatest common factor of 68 and 120 is 4.
The Greatest Common Factor (GCF) of 8 and 68 is: 4
The Greatest Common Factor of 24, 52, 68: 4
The GCF is 1.
The greatest common factor of 48 and 68 is 4
The greatest common factor of 60 and 68 is 4.
First, determine the greatest common factor of 51 and 68, which is 17. Then, divide both the numerator and the denominator by 17. 51/68 ÷ 17/17 = 3/4