The same as the GCF of 28 and 7 (7 is the remainder when you divde 63 by 28).
The GCF is 3.
You need at least two numbers to find a GCF.
63 is 225% of 28. 28 is 44.4% of 63.
63 is 225% of 28. 28 is 44.4% of 63.
28/63 = 4/9 28/7=4 63/7=9
The GCF is 1.
The GCF is 3.
It is: 21
7
GCF(20, 28) = 4
4
It is 4
7
The GCF is 7.
Since 14 is a factor of 28, it is automatically the GCF.
You need at least two numbers to find a GCF.
The factors of 28 are: 1, 2, 4, 7, 14, 28The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42The factors of 63 are: 1, 3, 7, 9, 21, 63The common factors are: 1, 7The Greatest Common Factor (GCF) is: 7The GCF is: 7The GCF is 7.