Download Divisibility Factor pairs

Name _________________________ Date ____________ Class _____
Review for Thursday’s quiz
Divisibility
1.)
Is 648 divisible by 4? How do you know?
2.)
Is 1,134 divisible by 3? How do you know?
Factor pairs
3.)
What are the factor pairs for the following numbers:
example: 18- (1,18) (2,9) (3,6)
24- _________________
36- _________________
17- _________________
4.)
What type of number is 17? ___________ (prime or composite)
How do you know? __________________________________
5.)
What type of number is 24? ___________(prime or composite)
How do you know? __________________________________
Factor trees
Write the following as a product of prime factors;
6.)
26
__________________
8.)
15
___________________
7.)
16
_________________
9.)
42
__________________