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- 1. Multiple ChoiceA prime number...has one factor.has more than 2 factors.has 100 factors.has exactly 2 factors: 1 and the itself.
- 2. Multiple ChoiceA composite number ...has more than 2 factors.has one factor.has at least 10 factors.is always a really big number.
- 3. Multiple Choice
What are the prime factors of 27?
3x3x3
3x2x3
3x3x4
- 4. Multiple Choice
Find the prime factors of 45.
5x9
3x15
3x3x5
- 5. Multiple Choice
What are the prime factors of 90?
3x3x4x5
5x5x3
2x3x3x5
- 6. Multiple Choice
Use a number tree to find the prime factorization of 32
2 x 2 x 2 x 3
2 x 2 x 2 x 2 x 2
- 7. Multiple ChoiceWhich are the factors of 14?
(1,14)
(1, 2, 7, 14)
(2, 7)
- 8. Multiple ChoiceWhich are the factors of 24?
(1, 2, 3, 8, 12, 24)
(2, 3, 4, 6, 8, 12)
(1, 2, 3, 4, 6, 8, 12, 24)
- 9. Multiple Choicewhich number below is NOT prime?7923
- 10. Multiple ChoiceFind the prime number.10974
- 11. Multiple Choice
Is 12 prime or composite?primecomposite - 12. Multiple Choiceis 5 prime or composite?primecomposite
- 13. Multiple Choice
Which number is a multiple of 3?
27
28
29
- 14. Multiple Choice
Which one is a multiple of 4?
33
22
24
- 15. Multiple Choice
Which of the following shows the multiples of 12?
12,22,53,60
4,8,12,16,24
12,24,36,48,60
- 16. Multiple Choice
Which of the following is a factor of 12? Select all that apply.
12
2
24
3
- 17. Multiple Choice
Select all of the multiples of 8.
2
8
32
4
- 18. Multiple Choice
Select all of the composite numbers.
12
16
3
7
- 19. Multiple Choice
What are the factors of 15?
1, 2, 3, 5, 15
1, 3, 5, 15
1, 2, 3, 4, 5
1, 5, 10, 15
- 20. Multiple Choice
Which one of the numbers below is prime numbers?
15
17
16
12
- Answer choicesTagsAnswer choicesTags