The factors of 27 are:
1, 3, 9, 27
The factors of 36 are:
1, 2, 3, 4, 6, 9, 12, 18, 36
The factors of 45 are:
1, 3, 5, 9, 15, 45
The common factors are:
1, 3, 9
The Greatest Common Factor:
GCF = 9
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The GCF of 18 and 27 is 9.
The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.
The GCF is 9.
The GCF is 9.
Nine