This document lists the prime factorizations of numbers from 4 to 100. For each number, it provides the prime factors written as multiplications, such as "2 x 2" or "3 x 5". The prime factorizations are presented in a tree structure with the original number at the top and its prime factors below.

1. 36
/
4 x 9
/ /
2 x 2 x 3 x 3 = 22
x 32
by Michelle Hansen

2. What are the
prime factors of
4?
2 x 2
22

3. 2 x 3
What are the
prime factors of
6?
2 x 3

4. What are the
prime factors of
8?
2 x 2 x 2
23

5. 32
What are the
prime factors of
9?
3 x 3

6. 2 x 5
What are the
prime factors of
10?
2 x 5

7. What are the
prime factors of
12?
2 x 2 x 3
22
x 3

8. 2 x 7
What are the
prime factors of
14?
2 x 7

9. 3 x 5
What are the
prime factors of
15?
3 x 5

10. What are the
prime factors of
16?
2 x 2 x 2 x 2
24

11. What are the
prime factors of
18?
2 x 3 x 3
2 x 32

12. What are the
prime factors of
20?
2 x 2 x 5
22
x 5

13. What are the
prime factors of
21?
3 x 7

14. 2 x 11
What are the
prime factors of
22?
2 x 11

15. What are the
prime factors of
24?
2 x 2 x 2 x 3
23
x 3

16. 52
What are the
prime factors of
25?
5 x 5

17. 2 x 13
What are the
prime factors of
26?
2 x 13

18. What are the
prime factors of
27?
3 x 3 x 3
33

19. What are the
prime factors of
28?
2 x 2 x 7
22
x 7

20. What are the
prime factors of
30?
2 x 3 x 5
2 x 3 x 5

21. What are the
prime factors of
32?
2 x 2 x 2 x 2 x 2
25

22. 3 x 11
What are the
prime factors of
33?
3 x 11

23. 2 x 17
What are the
prime factors of
34?
2 x 17

24. 5 x 7
What are the
prime factors of
35?
5 x 7

25. What are the
prime factors of
36?
2 x 2 x 3 x 3
22
x 32

26. 2 x 19
What are the
prime factors of
38?
2 x 19

27. 3 x 13
What are the
prime factors of
39?
3 x 13

28. 1092
/
2 546
| /
2 3 x 182
| | /
2 3 2 x 91
| | | /
2 x 3 x 2 x 7 x 13
22
x 32
x 7 x 1396
/
8 12
/ /
4 x 2 4 x 3
/ | / |
2 x 2 x 2 x 2 x 2 3
25
x 3

29. What are the
prime factors of
98?
2 x 7 x 7
2 x 72

30. What are the
prime factors of
99?
3 x 3 x 11
32
x 11

31. What are the
prime factors of
100?
2 x 2 x 5 x 5
22
x 52

32. Wow!