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14 questions
Which of these is a prime number?
27
33
41
49
Tick all the factors of 25
1
5
50
25
"Product" means
Add
Subtract
Multiply
Divide
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
All prime numbers have how many factors?
0
1
2
It can vary
Which of these is a valid prime factorisation of 18?
2, 3, 3
2, 32
2 x 33
2 x 32
"Sum" means
Add
Subtract
Multiply
Divide
All prime numbers have how many prime factors?
0
1
2
It can vary
"Difference" means
Add
Subtract
Multiply
Divide
What is this character's name?
Face Windu
Mace Fondue
Mace Windup
Lace Winduc
None of the above
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
What is the prime factorisation of 17?
2 x 8.5
3 x 6
17
None of the above
What is the prime factorisation of 125?
5 x 25
5 x 5 x 5
Both the above
None of the above
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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