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- 1. Multiple Choice
A prime number...
has one factor.
has more than 2 factors.
has 100 factors.
has exactly 2 factors: 1 and the itself.
- 2. Multiple Choice
A composite number ...
has more than 2 factors.
has one factor.
has at least 10 factors.
is always a really big number.
- 3. Multiple Choice
One is...
prime
composite
not prime or composite
he loneliest number
- 4. Multiple Choice
Which of the following is NOT prime?
29
23
17
39
- 5. Multiple Choice
Is 5, a prime or composite number?
prime
composite
- 6. Multiple Choice
Is 12, a prime or composite number?
prime
composite
- 7. Multiple Choice
Is 17, a prime or composite number?
prime
composite
- 8. Multiple Choice
Is 34, a prime or composite number?
prime
composite
- 9. Multiple Choice
All of these are prime except
3
9
2
13
- 10. Multiple Choice
2 x 2 x 2 is the prime factorization of...
6
12
22
8
- 11. Multiple Choice
If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?
2⋅3⋅5⋅7
2³⋅3²⋅5⋅7
2²⋅3²⋅5⋅7
8⋅9⋅35
- 12. Multiple Choice
Which is the prime factorization of 12 ?
2 x 6
2 + 2 + 2 + 2 + 2 + 2
22 x 3
1 x 22 x 3
- 13. Multiple Choice
What is the prime factorization of 16 ?
1 x 16
22x 4
24
22 + 22
- 14. Multiple Choice
Find the prime factorization of 72
23 x 32
2 x 32 x 4
24 x 33
22 x 62
- 15. Multiple Choice
Find the prime factorization of 105
7x5x3
11x5x3
7x5x2x1
7x5x3x2
- 16. Multiple Choice
Find the prime factorization for 80
42 ⋅ 5
24 ⋅ 5
2 ⋅ 2 ⋅ 2
8 ⋅ 5 ⋅ 2
- 17. Multiple Choice
What is the prime factorization of 192 ?
3 ⋅ 62
26 ⋅ 3
28 ⋅ 3
3 ⋅ 82
- 18. Multiple Choice
What are the prime factors of 30?
3, 2, 5
1, 2, 3, 5, 6, 15, 30
3, 30
10, 3
- 19. Multiple Choice
What number is never allowed on a factor tree by itself?
13
1
2
8675309
- 20. Multiple Choice
Jaselyn and Ky are working on the prime factorization of 63. Read their explanations and decide which student is correct.
Jaselyn said the prime factorization of 63 is 7 x 9 because 7 times 9 is 63.
Ky said the prime factorization of 63 is 32 x 7 because 32 times 7 equals 63 and the bases in his answer are all prime.
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