Factors
What are all of the factor pairs for 6?
1 and 6
2 and 3
What are the first TEN multiples of 2?
2, 4, 6, 8, 10, 12, 14, 16, 18, and 20
What is the GCF of 3 and 9?
3
What is the LCM of 3 and 5?
15
Divisibility Rules: Which of the following numbers is divisible by 5?
122, 305, 41
305 because it ends in 5
What are the factors of 18?
1, 2, 3, 6, 9, 18
What are the first FIVE multiples of 10?
10, 20, 30, 40, 50
What is the GCF of 15 and 35?
5
What is the LCM of 5 and 10?
10
Which of the following numbers are divisible by 2?
8, 12, 35, 104, 99
8, 12, 104
What are all of the factor pairs for 48?
1 and 48
2 and 24
3 and 16
4 and 12
6 and 8
What are the first SEVEN multiples of 5?
5, 10, 15, 20, 25, 30, 35
What is the GCF of 110 and 20?
10
What is the LCM of 4 and 7?
28
Write two different numbers that are divisible by 10.
(Any number that ends in 0)
What are the factors of 66?
1, 2, 3, 6, 11, 22, 33, 66
What are the first SIX multiples of 7?
7, 14, 21, 28, 35, 42
What is the GCF of 99 and 110?
What is the LCM of 9 and 10?
90
Which of the following numbers is divisible by 3?
41, 36, 11, 19
36
True or False(if false, explain why)
All of these are factors of 24:
1, 2, 3, 4, 5, 6, 8, 12, 24
FALSE: 5 is not a factor of 24.
12, 24, 36, 48, 60, 72, 84, 96
What is the GCF of 2, 4, and 10?
2
What is the LCM of 3, 6, and 12?
12
EX: 135 = 1+3+5 = 9
Any number that the sum of the digits is a multiple of 9.