18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216, 234, . . .
4.2
It is: 18
2 x 3 x 3 = 18
Factors create multiples, multiples break down into factors.
All multiples of 64 are multiples of 8.
4.2
126
It is: 18
2
18
90
The LCM is: 72
NO
one...
9
It is 6
The GCF is 6.