1 and 3
The Greatest Common Factor of 36, 54: 18
The Greatest Common Factor (GCF) of 54 and 39 is 3.
First, find the prime factors of each: 54: 2 x 3 x 3 x 3 39: 3 x 13 Therefore, highest common factor is 3
Common factors of 54 and 22 are: 1 and 2.
The common factors of 32 and 54 are: 1 and 2
The common factors of 54 and 75 are 1 and 3.
Since 13 is a factor of 39, all of its factors are common.
The common factors of 13 and 39 are: 1 and 13
Since 54 is a factor of 108, all of 54's factors are common and the GCF is 54 itself.
The common factors of 39 and 91 are: 1 and 13
The common factors of 27 and 39 are 1 and 3