8
60 and 88 have three common factors: 1, 2, and 4.
4 is a factor since 60 divided by 4 is 15, the others are not. To see if it is a factor, just see if it 60 divided by that number has a remainder or not. If the remainder is 0, it is a factor, if the remainder is non-zero it is not.
60
1, 2 and 4
The largest number that goes into both (the greatest common factor) is 4. 16/4=4 60/4=15
9xy(3xy - 4)
The GCF is 4.
A squared number is the product of an integer times itself. So, 16 is a squared number. 4 * 4 = 16.
4 squared is 16. 4 squared means that 4 is used as a factor 2 times. 4x4=16
7
(3x-4)(3x+4)