The greatest common factor (GCF) is: 7.7
The greatest common factor of 7, 35 and 49 is 7.
The GCF is 7.
21 and 35's highest common factor is seven.
GCF(21, 5, 35) = 1
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.
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 ■
21 and 35's highest common factor is seven.
GCF(21, 5, 35) = 1