5.3 Prime and Composite, Even and Odd

What makes a number a composite number?

• It only has 2 factors 1 and itself.
• It is an even number.
  It is an odd number.
• Is is an odd number.
• It has more than two factors.

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the only factors prime numbers have are:

• 0 and 1
• 0 and itself
• 1 and itself
• 1

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Find the prime number.

• 10
• 9
• 7
• 4

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CCSS.4.OA.B.4

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

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CCSS.4.OA.B.4

Which list contains only prime numbers?

• 0, 1, 2, 5

• 6, 13, 17, 22

• 17, 19, 33, 47

• 23, 29, 37, 43

True or False
0 is a COMPOSITE number.

• TRUE
• FALSE

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CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

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What number is the only even prime number?

• 0
• 2
• 1
• 3

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What are all prime numbers divisible by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

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Is 81 prime or composite?

• Prime
• Composite 

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