Factors
List all the factors of 10
1, 2, 5, 10
List the first ten multiples of 2
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
What does G.C.F. stand for?
Greatest Common Factor
How many factors does a prime number have?
2 factors
1 factor PAIR
List the first six terms.
Rule: Add 7
First Term: 9
9, 16, 23, 30, 37, 44
List the factors for 12
1, 2, 3, 4, 6, 12
What are the first ten multiples of 9?
(Use the finger trick)
9, 18, 27, 36, 45, 54, 63, 72, 81, 90
What L.C.M. stand for?
Least Common Multiple
How many factors does a composite number have?
2 or more factors
More than one factor PAIR
List the first six terms.
Rule: Subtract 2
First Term: 21
21, 19, 17, 15, 13, 11
List the factors for 16
1, 2, 4, 8, 16
Only list 4 once!
What are the first ten multiples of 8?
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
What is the GCF between 24 and 32?
8
Is this number prime or composite? List the factors to prove your answer.
23
Prime
1, 23
List the first six terms.
Rule: Add 5, Subtract 1
First Term: 55
55, 60, 59, 64, 63, 68
What product has these factors?
1, 2, 3, 4, 6, 8, 12, 24
24
Which number has these multiples?
15, 18, 21, 24, 27
3
What is the GCF between 54 and 63?
9
Is this number prime or composite? List the factors to prove your answer.
24
Composite
1, 2, 3, 4, 6, 8, 12, 24
List the first six terms.
Rule: Multiply by 2, Add 3
First Term: 3
3, 6, 9, 18, 21, 42
What number is a factor and a multiple of 9?
9
List the first ten multiples of 7.
7, 14, 21, 28, 35, 42, 49, 54, 63, 70
What is the LCM of 6 and 8?
24
Is this number prime or composite? List the factors to prove your answer.
19
Prime
1, 19
What is the Rule and First Term of the pattern?
6, 12, 10, 16, 14, 20, 18
Rule: Add 6, Subtract 2
First Term: 6