30,60,90
It has more than 2 factors.
1
18
1,2,4,5,10,20,25,50,100
It has exactly two factors.
1,3,19,57
1,47
40
Neither
16
unlimited or infinity
75, 150,225
6,12,18
1,2,3,4,6,8,12,24
1 and 3
57
1,2,4,7,14,28
84
2
Is the number 1 prime or composite?
What are the factors of 57?
Which numbers are a factor of both 15 and 21?
Which number is not a factor of 8?
1,4,8,16
What number is a multiple of both 6 and 9?
Which number below is composite?
53, 57, 67, 23
What makes a number composite?
Which number below is prime?
2,9,15,21
What are the first three multiples of 6?
What are the factors of 24?
What are the first three multiples of 30?
What are the factors of 100?
What are the factors of 47?
What makes a number prime?
What are the factors of 28?
What number is a multiple of both 8 and 20?
What is the 7th multiple of 12?
How many multiples does the number 2 have?
Which number is not a mutilple of 24?
1, 24, 72,120
What is the first three multiples of 75?
Description | Match: |
What are the factors of 24? | 1,2,3,4,6,8,12,24 |
What are the factors of 28? | 1,2,4,7,14,28 |
What are the factors of 47? | 1,47 |
What are the factors of 57? | 1,3,19,57 |
What are the factors of 100? | 1,2,4,5,10,20,25,50,100 |
What are the first three multiples of 6? | 6,12,18 |
How many multiples does the number 2 have? | unlimited or infinity |
What is the 7th multiple of 12? | 84 |
What are the first three multiples of 30? | 30,60,90 |
What is the first three multiples of 75? | 75, 150,225 |
Which number below is prime? 2,9,15,21 | 2 |
What makes a number composite? | It has more than 2 factors. |
What makes a number prime? | It has exactly two factors. |
Is the number 1 prime or composite? | Neither |
Which number below is composite? 53, 57, 67, 23 | 57 |
Which numbers are a factor of both 15 and 21? | 1 and 3 |
Which number is not a mutilple of 24? 1, 24, 72,120 | 1 |
Which number is not a factor of 8? 1,4,8,16 | 16 |
What number is a multiple of both 6 and 9? | 18 |
What number is a multiple of both 8 and 20? | 40 |