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Factors of 28: 1, 2, 4, 7, 14, 28.
Factors of 35: 1, 5, 7, 35.
Factors of 45: 1, 3, 5, 9, 15, 45.
GCF (28, 35, 45) = 1
The greatest common factor of the numbers 28, 35 and 63 is 7.
It is 7
The GCF is 7.
7
It is: 1
Seven is the GCF of 35 and 28.
The GCF is 1.
The GCF is 14.