Answer:
1. 2 x 3 x 3 (2 x 3^2)
2. 2 x 17
3. 2 x 2 x 2 x 2 x 3 (2^4 x 3)
4. 2 x 2 x 2 x 7 (2^3 x 7)
5. 2 x 2 x 2 x 2 (2^4)
6. 2 x 2 x 2 x 3 x 3 (2^3 x 3^2)
7. 2 x 3 x 3 x 3 (2 x 3^3)
8. 2 x 29
9. 2 x 2 x 3 x 5 (2^2 x 3 x 5)
10. 2 x 2 x 5 x 5 (2^2 x 5^2)
11. 2 x 2 x 5 x 7 (2^2 x 5 x 7)
12. 2 x 2 x 2 x 5 x 5 (2^3 x 5^2)
