28 = 22x7, or 2x2x7
^
4 7
^
2 2
28 14,2 7,2,2
39 3,13
28 14,2 7,2,2 35 5,7 2 x 2 x 5 x 7 = 140, the LCM
83 is prime. No tree.
Well, honey, to make a factor tree for 69, you'll need to break it down into its prime factors. 69 can be broken down into 3 and 23, which are both prime numbers. So, the factor tree for 69 would have 3 and 23 as its branches. Hope that clears things up for ya!
28 14,2 7,2,2
28 14,2 7,2,2
28 4 7 2x2x7
28 14,2 7,2,2
28 14,2 7,2,2
28 4 x 7 2x2 7 = 2x2x7
28 7, 4 7, 2, 2
4
The factor tree is as follows: 114 57,2 19,3,2
no
No.
7,2,2 14,2 28