7
5
The GCF is 7.
7
The greatest common factor (GCF) is: 7.7
The GCF of 21, 35, and 63 is 7.
21 = (3)(7)35 = (5)(7)7
The greatest common factor of 7, 35 and 49 is 7.
The least common factor of any set of integers is 1.
The GCF is 7.
The GCF is 7.
The GCF is 7.
3 is a factor of 21, so ignore it. 21 factors to [3 7] 35 factors to [5 7] common factor [7] LCM = 21 * 35 / 7 = 105 ■