What is the greatest common factor of 81 and 121?

Answer 1

81, as it is the highest factor of 81 (81 and 1) and is also a factor of 162 (81 and 2)

Answer 2

The GCF is 27.
The greatest common factor of the numbers 108 and 81 is 27.

Answer 3

1

The factors of 81 = 1x81, 3x27, 9x9 = 1,3,9,27,81

The factors of 100 = 1x100, 2x50, 4x25, 5x20, 10x10 = 1,2,4,5,10,20,25,50,100

Answer 4

The GCF of 81 and 153 is 9.

Answer 5

The GCF of 81 and 126 is 9.

Answer 6

The GCF is 1.

Answer 7

The GCF is 9.

Answer 8

The GCF of 81 and 121 is 1.

Answer 9

27.

Answer 10

9.