To find the greatest common factor (GCF), first find the prime factorization of the two numbers.
The GCF is the product of all of the prime factors the two numbers have in common.
If two numbers have no common factors, the GCF is 1. (Since all numbers are divisible by 1.)
Example: Find the GCF of 60 and 24.
Prime factors of 60: 2, 2, 3, 5
Prime factors of 24: 2, 2, 2, 3
Common factors: 2, 2, 3
GCF: 2x2x3=12
Example: Find the GCF of 17 and 21.
Prime factors of 17: 17
Prime factors of 21: 3, 7
Common factors: None (1).
GCF: 1
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Greatest Common Factor is GCF
It is known as their greatest common factor.
There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor is the largest factor common to two or more numbers.
There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor is the largest factor common to two or more numbers.
There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor is the largest factor common to two or more numbers.
No. The Greatest Common Factor (GCF) is the greatest factor that is in common with the numbers you are given.
That's the greatest common factor, or GCF.
The least common factor is always one (1), regardless of what the greatest common factor is.
The Greatest Common Factor (GCF) is: 6The greatest common factor of 42 and 102 is 6.
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