To find the Greatest Common Factor (GCF) of 78, 117, and 156, you need to first find the prime factorization of each number.
78 = 2 * 3 * 13 117 = 3 * 3 * 13 156 = 2 * 2 * 3 * 13
Next, identify the common prime factors among the numbers: 3 and 13.
The GCF of 78, 117, and 156 is the product of these common prime factors, which is 3 * 13 = 39.
The GCF is 13.The GCF is 13.
The GCF of 78 and 117 is 39Factors of 78: 1 2 3 6 13 26 39 78Factors of 117: 1 3 9 13 39 117The GCF of 78 and 117 is: 39The GCF is 39.The GCF is 39.
The GCF is 13.
The GCF is 13.
It is: 39
The GCF of 117 and 156 is 39.
The GCF is 13.The GCF is 13.
The GCF of 78 and 117 is 39Factors of 78: 1 2 3 6 13 26 39 78Factors of 117: 1 3 9 13 39 117The GCF of 78 and 117 is: 39The GCF is 39.The GCF is 39.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 3.
It is: 39
1
The GCF is 13.
The factors of 78 are: 1, 2, 3, 6, 13, 26, 39, 78 The factors of 91 are: 1, 7, 13, 91 The factors of 156 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 The common factors are: 1, 13 The Greatest Common Factor: GCF = 13