The GCF is 5.
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The Greatest Common Factor of 20, 35, 50: 5
The GCF of 20, 35 and 45 is 5.
Since 45 is a factor of 270, it is automatically the GCF.
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 of 360 and 70,875 is 45.