2 x 2 x 2 x 2 x 2 x 2 = 64
It is Z.
A factor firework is just an upside down factor tree. Write the original number at the bottom. Example: 210 7,5,3,2 35,3,2 105,2 210
7,2,2 14,2 28
5,3,2,2 15,2,2 30,2 60
5,3,2,2 15,2,2 30,2 60
7,2,2 14,2 28
5,3,2,2 15,2,2 30,2 60
5,5,5,5 25,5,5 125,5 625
It can be. 64 is a factor of 128, among others.
No, 4 is a factor of 64.
No, 3 is not a factor of 64.
The Greatest Common Factor (GCF) of 64 and 128 is: 64