The GCF is 3.
They are 1 and 3 .Note: Those are also the least common factors of 9, 21, and 54 .
The GCF is 1.
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
21: 1, 3, 7, 21 54: 1, 2, 3, 6, 9, 18, 27, 56 9: 1, 3, 9 The GCF is 3.
The greatest common factor of 99 and 54 is 9.
The GCF is 9.
The GCF of 35, 45 and 54 is just 1. There are no common factors between these 3 numbers aside from 1.
The GCF is 9.
The GCF is 9.