Factors
What is a factor?
a number that can be multiplied to create another number
What is a multiple?
a number that you can get to by multiplying or skip-counting
What is a prime number?
A number with only one factor pairs.
What is 3 x 4?
12
Name one factor pair of 15.
1x15 or 5x3
Is 12 a multiple or a factor of 4?
12 is a multiple of 4.
What is a composite number?
A number with more than one factor pair?
What is 12 x 3?
36.
Name all of the factors of 9.
1, 3, 9
Name a multiple 15.
15, 30, 45, 60
Is 4 prime or composite?
Composite
What is 7 x 7?
49
Name all of the factors of 16.
1, 2, 4, 8, 16.
What are three multiples of 25?
25, 50, 75, 100, etc.
Is 7 prime or composite? How do you know?
7 is prime because its only factor pair is 1 x 7= 7.
What is 22 x 4?
88.
Name all of the factors of 48.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48.
What are 3 multiples of 19?
19, 38, 57
Is 39 prime or composite? How do you know?
What is 29 x 5?
145.