Just 1.
The GCF of 32 and 81 is: 1
There is no GCF of 32 and 81 because no prime numbers go into either 32 or 81
The factors of 32 are: 1, 2, 4, 8, 16, 32The factors of 81 are: 1, 3, 9, 27, 81The Greatest Common Factor (GCF) is: 1
No.
The greatest common factor of 52 and 81 is 1
The greatest common factor of 81 and 189 is 27.
The greatest common factor of 56 and 81 is 1.
The greatest common factor of 40 , 81 = 1
The common factor of 55 and 81 is 1.
The GCF of 53 and 81 is 1.
The greatest common factor of 81 and 135 is 27.
The highest common factor of 81 and 27 is 27