12. A. Copy and complete the table in your notebook.
Number Factors Number of Factors Prime or
Composite ?
9
23
31
45
57
13. B. Write P if the number is prime and C if it is
composite. Write your answer in your notebook.
___1. 20 ___6. 37
___2. 32 ___7. 45
___3. 21 ___8. 64
___4. 29 ___9. 59
___5. 13 ___10. 72
14. A. List the factors of the following numbers.
1. 54 6. 70
2. 38 7. 90
3. 42 8. 57
4. 51 9. 29
5. 85 10. 99
15. B. Circle the prime numbers and box the composite
numbers.
41 90 34 54 76 87 99 19 70 60
59 43 65 45 55 75 85 95 22 33
16. C. Do what each item tells you to do. Write your
answer in your notebook.
1. Write all prime number from 5 to 37.
2. Write the prime numbers between 30 and 70.
3. Write the composite numbers between 10 and
50.
4. Write the composite numbers between 50 and
100
17. What is a prime number?
Summarizing the Lesson
What is a composite Number?
19. Write P on the blank if the number
is prime and C if composite . Write
your answer on your answer sheet.
___1. 63 ___4. 69
___2. 49 ___5. 81
___3. 37 ___6. 99
