The GCF is 14.
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The GCF of 65, 143, and 156 is 13.
The highest common factor of the numbers 65, 156 and 169 is 13.
The GCF is 13.
The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The highest factor of any number is itself.
Factors of 52: 1, 2, 4, 13, 26, 52 Factors of 143: 1, 11, 13, 143 Factors of 156: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156 GCF (52, 143, 156) = 13