The factors of 32 are: 1, 2, 4, 8, 16, 32
The factors of 81 are: 1, 3, 9, 27, 81
The Greatest Common Factor (GCF) is: 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 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 Greatest Common Factor of 81, 108, 117: 9
The GCF of 53 and 81 is 1.
The greatest common factor of 58 and 81 is 1.
Greatest common factor of 81 and 123 is 3.
The greatest common factor of 16 72 and 81 is 1.
The Greatest Common Factor of 81, 21, and 14 is 1.