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- 1. Multiple Choice
Which of these numbers is prime?
15
45
63
73
- 2. Multiple Choice
Which of these numbers is a prime number?
25
33
63
71
- 3. Multiple Choice
Which of these numbers is prime?
29
33
51
65
- 4. Multiple Choice
Which number is a prime number?
3
30
63
77
- 5. Multiple Choice
Which number is prime?
9
17
25
45
- 6. Multiple Choice
Which number is prime?
11
15
21
57
- 7. Multiple Choice
Which number is a composite number?
41
77
83
89
- 8. Multiple Choice
Which of these numbers is a composite number?
4
7
23
41
- 9. Multiple Choice
Which of these is a composite number?
7
37
43
68
- 10. Multiple Choice
Which number is a composite number?
5
19
71
85
- 11. Multiple Choice
Which number is a composite number?
11
27
29
43
- 12. Multiple Choice
Which number is a composite number?
17
19
47
49
- 13. Multiple Choice
Which number is a composite number?
91
13
53
3
- 14. Multiple Choice
Are these numbers composite numbers 51, 84, and 65?
yes they are composite
no they are not all composite
- 15. Multiple Choice
Are these numbers all prime 31, 43, 59, and 89?
No, they are not all prime.
Yes, they are all prime.
- 16. Multiple Choice
Which of these numbers are composite 10, 41, and 86?
10 and 86
41 and 86
10
- 17. Multiple Choice
Are all of these numbers composite: 29, 39, and 49?
29 is a prime number, not a composite number.
They are all composite numbers.
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