Factors
1, 2, 5, 10 are factors for what number?
What is 10.
What are the factors of 18?
1, 2, 3, 6, 9, 18
The first 5 multiples of 3 are...
3, 6, 9, 12, 15
The first 5 multiples of 2 are...
2, 4, 6, 8, 10
True or false:
Prime numbers only have two factors, 1 and the number itself.
True
1, 3, 9, 27 are factors for what number?
What is 27.
What are the factors of 30?
1, 2, 5, 6, 15, 30
The first 5 multiples of 5 are...
5, 10, 15, 20, 25
The multiples of 20 are...
20, 40, 60, 80, ...
Which of the following numbers has 7 as a factor?
10 15 20 21 40
21
What are the factors of 31?
1, 31
1, 13
The first 5 multiples of 10 are...
10, 20, 30, 40, 50
The first ten multiples of 10 are
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Find the first 5 multiples of 8
8, 16, 24, 32, 40
1, 3, 5, 15 are factors for what number?
What are the factors of 3?
What is 1 and 3.
The first 5 multiples of 9 are...
9, 18, 27, 36, 45
The multiples of 2 are...
2, 4, 6, 8, ...
True or False: If 6 is a factor of a number, then 3 is also a factor of that number
True
What are the factors of 20?
1, 2, 4, 5, 10, 20
What are the factors of 18?
1, 18, 2, 9, 3, 6
The first 5 multiples of 6
6, 12, 18, 24, 30
The multiples of 1 are...
1, 2, 3, 4, ...
Find the first 5 multiples of 7
7, 14, 21, 28, 35