The factors of 21 are 1, 3, 7, 21. The factors of 63 are 1, 3, 7, 9, 21, 63
The greatest common factor (GCF) of 63, 21, and 7 is 7.
It is: 63
The GCF is 7.
The GCF is 7.
The factors of 21 are: 1, 3, 7, 21 The factors of 49 are: 1, 7, 49 The factors of 63 are: 1, 3, 7, 9, 21, 63
Yes, 7 is a factor of 63. The factors of 63 are 1, 3, 7, 9, 21, and 63.
The common factors of 21 and 63 are 1, 3, 7, and 21
the factors of 63 are 3, 3 and 7. The natural numbers that can be multiplied to make 63 are : 1 * 63 3 * 21 9 * 7 7 * 9 21 * 3 63 * 1
1, 7 1, 3, 7, 9, 21, 63
3*21 = 63 so 63 is divisible by 3 7*9 = 63 so 63 is divisible by 7.