20
4.5
2.2
answer:2.2.5
20 10,2 5,2,2
Factor Tree of 20: ........20 ......../ \ .......4 5 ....../ \ .....2 2
20 10,2 5,2,2
20 10,2 5,2,2
10,2
23 is prime... you can't make a factor tree unless u r adding, then it would be 20+3 or almost anything else that = 23
20 10,2 5,2,2
20 10,2 5,2,2
10,2 5,2,2
no
The factor tree is as follows: 114 57,2 19,3,2
Use a factor tree. 20 10,2 5,2,2