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Prime or Composite?Factors or Multiples?
Objective: I can differentiate between prime and composite numbers. I can differentiate
between factors and multiples. Created byChris Garrison
Sycamore 5th grade
![Page 2: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/2.jpg)
What are...
Prime Numbers?have “exactly two factors”
1 and itself
Composite Numbers?have more than two factors
![Page 3: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/3.jpg)
Multiples
are BIG!Factors
are small
![Page 4: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/4.jpg)
Let’s practice what we know!
Get Ready!
![Page 5: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/5.jpg)
Is this number prime or composite? Show all work and
carefully find all the factors!
16Composite!
![Page 6: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/6.jpg)
Is this number prime or composite? Show all work and
carefully find all the factors!
24Composite!
![Page 7: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/7.jpg)
Is this number prime or composite? Show all work and
carefully find all the factors!
17Prime!
![Page 8: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/8.jpg)
Is this number prime or composite? Show all work and
carefully find all the factors!
64Composite!
![Page 9: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/9.jpg)
Test for success!Think smarter not harder!
Which of following are all prime numbers?a. 2, 3, 5, 7, 9, 13, b. 1, 4, 5, 7, 11,
13, c. 3, 5, 7, 13, 17, 19
Example
TipEliminate composite numbers first.
XX
Then double check remaining numbers to make sure they are all prime.
XX
![Page 10: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/10.jpg)
Is this number a factor or a
multiple of 9? Prove it!
27Multiple
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Is this number a factor or a
multiple of 36? Prove it!
12Factor
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Is this number a factor or a
multiple of 18? Prove it!
6Factor
![Page 13: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/13.jpg)
Is this number a factor or a
multiple of 7? Prove it!
49Multiple
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Is this number a factor or a
multiple of 24? Prove it!
8Factor
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Is this number a factor or a
multiple of 12? Prove it!
96Multiple
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Greatest Common Factor (GCF)
The greatest factor two numbers share.
1. List the factors for each number.2. Circle common factors.
3. Choose the greatest factor.
30: 1, 2, 3, 5, 6, 10, 15, 3015: 1, 2, 3, 5, 15 GCF = 15
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Least Common Multiple
Least multiple that more than one number share.
2: 2, 4, 6, 8, 103: 3, 6, 9, 12, 15
LCM: 6
1. List the first 5 multiples of each number.2. Choose the smallest multiple they both share.
![Page 18: Prime or Composite? Factors or Multiples? Objective: I can differentiate between prime and composite numbers. I can differentiate between factors and multiples](https://reader030.vdocuments.net/reader030/viewer/2022032518/56649ccf5503460f9499b213/html5/thumbnails/18.jpg)
1, 2, 3, 4, 6, 8, 12, 24
Test for success!Think smarter not harder!
Example Which of following are the factors of 24?
c. 2, 3, 6, 8, 12, 24, 48
b. 1, 4, 6, 5, 8, 12, 24,
a. 1, 2, 3, 4, 6, 8, 12, 24
TipsDouble check all factors with...
Factor Rainbow
Eliminate any answer choice that includes a
multiple.
XXX
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Closure
Turn to your shoulder partner and tell them
the difference between a factor and multiple.
Now tell them the difference between prime and composite number.