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Which of the following numbers is a factor of 6 ?
12
2
8
10
2
List all the factors of 15
1,3,5,15
Which number below is a factor of both 6 and 15 ?
9
6
5
3
3
What is a prime number?
A whole number that has only one pair of factors
What is a composite number?
A number that has more that has more than 1 pair of factors
What number below is a prime number ?
9
15
1
5
5
Which number below is NOT a prime number?
3
7
21
17
21
What are ALL of the factor pairs for 14?
1 and 14; 2 and 7
What are the FIRST five multiples of 2?
2, 4, 6, 8, 10
What are the factors for 18?
1, 2, 3, 6, 9, 18
Is 9 a multiple of 3?
Yes
What are the FIRST three multiples of 5?
5, 10, 15
Which is not a factor of 20?
4
10
5
8
8
Are all prime numbers are odd numbers?
No
Is the number 8 prime or composite?
Composite
Is the number 17 prime or composite?
Prime
