Notes Prime and Composite Numbers

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Notes Prime and Composite Numbers
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Prime Numbers

• A prime number is a whole number greater than one
  that has exactly two factors, 1 and itself.

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Prime Numbers

• Examples of prime numbers 2, 3, 5, 7, 11, 13,
  17, 19, 23, 29.

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Prime Numbers

• The only even prime number is 2.

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Composite Numbers

• A composite number is a whole number greater than
  one that as more than two factors.

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Composite Numbers

• Examples of composite numbers 4, 6, 8, 9, 10,
  12, 14, 15

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0 and 1 are neither prime or composite
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Prime Factorization

• When you express a positive integer (other than
  1) as a product of factors that are all prime.
• Prime Factorization- A number written as the
  product of all its prime factors.