9. Quiz Answers (5 pts) 2,3,5,7,11,13,19 (5 pts. Each) 2: yes, because it’s even. 3: no, the digits add up to 7 which is not divisible by 3. 4: yes, last two digits are 12 and it’s divisible by 4 (5 pts. Each) Prime: divisible ONLY by 1 and itself. Composite: Divisible by MORE THAN 1 and itself (5 Pts.) ends in 0 (5 pts.) 25,26,27,28 3 x 2 x 5 7. 2^4 x 5 8. 2^4 x 3^2 9. 2 x 7^2 10. 5^2 x 2^2 11. 2^3 x 3 12. 11^2 13. 2 14. 5^2