Yes.
There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor (GCF) is the largest factor common to two or more given numbers.
A single number does not have a common factor. Common factors are factors that two or more numbers have in common. The greatest common factor of a pair of numbers over 50 could be any number, depending on the pair of numbers. The greatest common factor of 51 and 100 is 1. The greatest common factor of 51, 52, 53, 54, 55, and 56 is 1. The greatest common factor of 52 and 100 is 2. The greatest common factor of 57 and 102 is 3.
Yes, if that number is a factor of the other.
A prime number
Yes.
The Greatest Common Factor (GCF) is: 12
A pair of numbers can have more than one factor because the numbers keep going on.
The GCF is 3.
The GCF is 30.
Yes.
15 and 30 is just one pair of number that has a greatest common factor of 15
Greatest common factor.