@Which of the following contains all the factors of 12?
1,2,3,4,6 and 12
1,2,3,4,5,6,7,8,9,10,11,12
1 and 12 only

@How many factors does 12 have?
6
2
12

@How many factors does 8 have?
4
2
8

@How many factors does 7 have?
2
7
3

@How many factors does 11 have?
2
1
11

@How many factors does 15 have?
4
2
1

@Which one of the following is NOT a prime number?
1
7
11

@3 is a common factor of:
6 and 9
12 and 7
9 and 13

@What is the common factor of 4 and 6?
2
4
There is not one

@The numbers 8,12 and 16 are:
Multiples of 4
Prime numbers
Are common factors of each other

@The numbers 6,12 and 18 are:
Multiples of 6
Prime numbers
Factors of each other

@The lowest number that is a factor of 12 and 24 is:
2
3
4

@The highest number that is a factor of 18 and 24 is:
6
3
2

@The lowest number that is a multiple of 2 and 3 is:
6
12
2

@The lowest number that is a multiple of 4 and 6 is:
12
24
10