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- 1. Multiple Choice
Which of these is a prime number?
27
33
41
49
- 2. Multiple Choice
Tick all the factors of 25
1
5
50
25
- 3. Multiple Choice
"Product" means
Add
Subtract
Multiply
Divide
- 4. Multiple Choice
I know 36 has an odd number of factors because.....
its digits add up to 9
it is not a prime number
it is a square number
the force is strong in me
- 5. Multiple Choice
All prime numbers have how many factors?
0
1
2
It can vary
- 6. Multiple Choice
Which of these is a valid prime factorisation of 18?
2, 3, 3
2, 32
2 x 33
2 x 32
- 7. Multiple Choice
"Sum" means
Add
Subtract
Multiply
Divide
- 8. Multiple Choice
All prime numbers have how many prime factors?
0
1
2
It can vary
- 9. Multiple Choice
"Difference" means
Add
Subtract
Multiply
Divide
- 10. Multiple Choice
What is this character's name?
Face Windu
Mace Fondue
Mace Windup
Lace Winduc
None of the above
- 11. Multiple Choice
WITHOUT doing any division, the PF of 2310 can only be which of the following? (Think divisibility rules).
3 x 3 x 5 x 7 x 11
2 x 2 x 5 x 7 x 11
2 x 3 x 5 x 7 x 11
2 x 3 x 7 x 7 x 11
- 12. Multiple Choice
What is the prime factorisation of 17?
2 x 8.5
3 x 6
17
None of the above
- 13. Multiple Choice
What is the prime factorisation of 125?
5 x 25
5 x 5 x 5
Both the above
None of the above
- 14. Multiple Choice
Which of the following are correct prime factorisations of 132? (Tick all that apply).
4 x 3 x 11
2 x 2 x 3 x 11
2 x 6 x 11
2 x 3 x 3 x 11
22 x 3 x 11
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