64
This is a question that cannot be answered. First, 64 is not a prime number. Second, the greatest common factor is the factor that two or more numbers have in common. There is no greatest common factor of a single number, such as 64.
The greatest factor of a number is the number itself.
The largest number that will divide evenly into 64 with no remainder is 64.
The only common factor of 27 and 64 is one.
The Greatest Common Factor (GCF) of 64 and 128 is: 64
The GCF is 16.
The greatest common factor of 4 and 64 is 4.
The greatest common factor (GCF) is 64.
The greatest common factor of 64 and 1541 is 1.
The greatest common factor of 64 and 69 is 1.
The greatest common factor of 64 , 93 = 1
64