What is the greatest common factor of 143 and 169?
The GCF of 143 and 169 is 13.
One way to determine the common factors and greatest common
factor is to find all the factors of the numbers and compare
them.
The factors of 143 are 1, 11, 13, and 143.
The factors of 169 are 1, 13, and 169.
The common factors are 1 and 13. Therefore, the greatest common
factor is 13.