TEKS.MATH.5.4A

Is 5 prime or composite? 

• Prime
• Composite

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TEKS.MATH.5.4A

What is the greatest common factor of 6 and 21?

• 6
• 2
• 3
• 7

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TEKS.MATH.5.4A

A prime number

• has one factor
• has more than 2 factors
• has 100 factors
• has exactly 2 factors: 1 and the number

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TEKS.MATH.5.4A

All of these are prime except

• 3
• 9
• 2
• 13

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TEKS.MATH.5.4A

Which number below is a composite number?

• 16
• 17
• 23
• 29

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TEKS.MATH.5.4A

Is 100 a prime or composite number?

• Prime
• Composite

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TEKS.MATH.5.4A

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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TEKS.MATH.5.4A

Which is the prime factorization of 12? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2² x 3
• 1 x 2² x 3

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TEKS.MATH.5.4A

Why is 1 neither prime or composite?

• It only has one factor
• It has three factors
• It isn't a number
• It is too close to 2

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TEKS.MATH.5.4A

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

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TEKS.MATH.5.4A