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Prime Number

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Prime Factorization. Chapter 4 Sec. 4 Pages 180 to 185. Example 1- Find the GCF of ... Step 1: Use Prime Factorization. Step 2: Place factors in a Venn diagram ... – PowerPoint PPT presentation

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Title: Prime Number


1
Chapter 4 Sec. 4 Pages 180 to 185
Prime Factorization
Warm-up_____
TERM
MEANING
An integer that divides another number evenly
Factor
Prime Number
An integer greater than 1 with only two factors,
1 and itself
Composite Number
An integer greater than 1 with more than two
factors
Common Factors
Factors that are the same for two or more numbers
GCF
Greatest Common Factor
2
Chapter 4 Sec. 4 Pages 180 to 185
Prime Factorization
Example 1- Find the GCF of 75 and 30
Common Prime Factors Are 3 And 5
GCF 15
3
Venn Diagram
Chapter 4 Sec. 4 Pages 180 to 185
Find the GCF for 75 and 30
Step 1 Use Prime Factorization
Step 2 Place factors in a Venn diagram
Step 3 The product of the common factors is
the GCF
4
Chapter 4 Sec. 4 Pages 180 to 185
Prime Factorization
Example 2- Find the GCF of 24 and 36
Common Prime Factors Are 2, 2 and 3
GCF 12
5
Venn Diagram
Chapter 4 Sec. 4 Pages 180 to 185
Find the GCF for 24 and 36
Step 1 Use Prime Factorization
Step 2 Place factors in a Venn diagram
Step 3 The product of the common factors is
the GCF
6
Prime Factorization
Chapter 4 Sec. 4 Pages 180 to 185
Example 3- Find the GCF of
GCF 16rs
Common Prime Factors Are 2, 2, 2, 2, r and s
7
Venn Diagram
Chapter 4 Sec. 4 Pages 180 to 185
Example 3- Find the GCF of
Step 1 Use Prime Factorization
Step 2 Place factors in a Venn diagram
Step 3 The product of the common factors is
the GCF
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