Name_________________________________________________________
Grade 6
Prime or Composite
Directions: Identify
each number as either prime or composite.
Prime number: has only 2 factors, 1 and itself (ex. 3 is prime
because its only factors are 1 and 3)
Composite number: has more than 2 factors (ex. 8 is composite
because its factors are 1, 2, 4, and 8)
| 1. |
7
Prime
Composite
|
|
| 2. |
10
Prime
Composite
|
|
| 3. |
21
Prime
Composite
|
|
| 4. |
4
Prime
Composite
|
|
| 5. |
2
Prime
Composite
|
|
| 6. |
12
Prime
Composite
|
|
| 7. |
18
Prime
Composite
|
|
| 8. |
17
Prime
Composite
|
|
| 9. |
4
Prime
Composite |
|
| 10. |
25
Prime
Composite
|
|
| 11. |
15
Prime
Composite
|
|
| 12. |
55
Prime
Composite
|
|
| 13. |
81
Prime
Composite
|
|
| 14. |
14
Prime
Composite
|
|
| 15. |
30
Prime
Composite
|
|
| 16. |
79
Prime
Composite
|
|
| 17. |
29
Prime
Composite
|
|
| 18. |
40
Prime
Composite
|
|
| 19. |
28
Prime
Composite
|
|
| 20. |
22
Prime
Composite |
|
| 21. |
60
Prime
Composite
|
|
| 22. |
17
Prime
Composite
|
|
| 23. |
89
Prime
Composite
|
|
| 24. |
48
Prime
Composite
|
|
| 25. |
85
Prime
Composite
|
|
| 26. |
19
Prime
Composite
|
|
| 27. |
41
Prime
Composite
|
|
| 28. |
93
Prime
Composite
|
|
| 29. |
58
Prime
Composite
|
|
| 30. |
80
Prime
Composite
|
|
| 31. |
47
Prime
Composite
|
|
| 32. |
76
Prime
Composite
|
|
| 33. |
100
Prime
Composite
|
|
| 34. |
3
Prime
Composite
|
|
| 35. |
50
Prime
Composite
|
|
| 36. |
65
Prime
Composite
|
|
| 37. |
31
Prime
Composite
|
|
| 38. |
66
Prime
Composite
|
|
| 39. |
60
Prime
Composite
|
|
| 40. |
42
Prime
Composite
|
|