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- 1. Multiple Choice2 x 2 x 2 is the prime factorization of612228
- 2. Multiple Choice
Use a factor tree to find the prime factorization of 105
7x5x3
11x5x3
7x5x2x1
7x5x3x2
- 3. Multiple Choice
Use a factor tree to find the prime factorization of 60
5x3x2x2
7x6x5
5x3x3x2
7x5x4
- 4. Multiple ChoiceA prime numberhas one factorhas more than 2 factorshas 100 factorshas exactly 2 factors: 1 and the number
- 5. Multiple Choice
Use a factor tree to find the prime factorization of 32
2x2x2x4
2x2x2x2x2
4x4x2
2x2x2x2x1
- 6. Multiple ChoiceIs 5 prime or composite?PrimeComposite
- 7. Multiple Choice
Use a factor tree to find the prime factorization of 42
4x4x3
6x7
7x3x2
5x4x2
- 8. Multiple Choice
Use a factor tree to find the prime factorization of 64
4x4x4
4x4x2x2
2x2x2x2x2x2
4x4x2x1
- 9. Multiple Choice
Use a factor tree to find the prime factorization of 33
33
11x3
10x3
3x3x3x2
- 10. Multiple Choice
Use a factor tree to find the prime factorization of 72
2x2x2x3x3
4x3x3x2
4x2x2x2x2
- 11. Multiple Choice
A composite number ...
has more than 2 factors.
has one factor.
has at least 10 factors.
is always a really big number.
- 12. Multiple Choice
One is...
prime
composite
not prime or composite
the loneliest number
- 13. Multiple Choice
Which of the following is NOT prime?
29
23
17
39
- 14. Multiple ChoiceIs 5, a prime or composite number?PrimeComposite
- 15. Multiple ChoiceIs 12, a prime or composite number?PrimeComposite
- 16. Multiple ChoiceIs 17, a prime or composite number?PrimeComposite
- 17. Multiple ChoiceIs 34, a prime or composite number?PrimeComposite
- 18. Multiple ChoiceAll of these are prime except39213
- 19. Multiple ChoiceWhat number is never allowed in a factor tree?13 (it's bad luck!)186753092
- 20. Multiple Choice
51, is prime or composite
prime
composite
- Answer choicesTagsAnswer choicesTags