What is the greatest common factor of 154 and 70 and 182?

Answer 1

154/2=77, 154/7=22; 154/11=14; 2x7x11=154 70/2=35, 70/5=14; 70/7=10; 2x5x7=70 182/2=91; 154/7=13; 2x7x13=182 The only common prime factors are 2 and 7; 7 is the largest of the prime factors and 14 is the largest common divisor of all three numbers.

Answer 2

Factors for 70 are: 1, 2, 5, 7, 10, 14, 35, 70

Factors for 154 are: 1, 2, 7, 11, 14, 22, 77, 154

Factors for 182 are: 1, 2, 7, 13, 14, 26, 91, 182

GCF: 14

Answer 3

The GCF is 14.