Factors
What are all the factors for 12?
1, 2, 3, 4, 6, 12
List the factors of 14.
1, 2, 7, 14
List the first 4 multiples of 8.
8, 16, 24, 32
Is 5 prime or composite?
prime
Mary says all EVEN numbers less than 20 are composite. Find an EVEN number less than 20 that is not composite.
2
What are the factors of 18?
1, 2, 3, 6, 9, 18
What are all the factors for 25?
1, 5, 25
What are the first 5 multiples of 12?
12, 24, 36, 48, 60
Is 62 prime or composite?
composite 1, 2, 31, 62
Bobby says the only factors for 32 are 32 and 1.
What are the factors of 32?
1, 2, 4, 8, 16, 32
What are the factors of 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
What are the factors of 15?
1, 3, 5, 15
List the first 5 multiples of 15.
15, 30, 45, 60, 75
Is 29 prime or composite?
prime
George says he can make 4 arrays with the factors of 9. Is he correct?
No, he can only make 3 arrays.
1, 3, 9
What are all the factors for 49?
1, 7, 49
What is a common factor of 18 and 24?
6
What are the first 6 multiples of 8?
Is 51 prime or composite?
composite 1, 3, 17, 51
John says factors and multiples are related. Use the equation 8 x 5 = 40 to describe the relationship between factors and multiples.
8 and 5 are factors of 40.
40 is a multiple of 8 and 5.
List the factors for 16.
How many arrays will you be able to draw with the factors for 16?
1, 2, 4, 8, 16
What is a common factor of 9 and 12?
3
What are the first 4 multiples of 24?
24, 48, 72, 96
Is 91 prime or composite?
composite 1, 7, 13, 91
A baker needs between 401 and 415 cookies . Name TWO possible numbers between 401 and 415 that are multiples of 4.
404, 408 and 412