The common factors are: 1, 3, 9
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The Greatest Common Factor of 36, 45, 54: 9
Greatest Common Factor (GCF) for 36 45 is 9.Least Common Multiple (LCM) for 36 45 is 180.
45 and 36 are not relatively prime because they have 3 as a common factor.
The GCF is 9.
The lowest common factor of any set of integers is 1.