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Factors, Prime Numbers & Composite Numbers
Definition ,[object Object],7 x 8 = 56 Product
Definition ,[object Object],7 x 8 = 56 Factors
Definition ,[object Object],56 ÷ 8 = 7 Factors
Test yourself… What are the factors and products? 1) 6 x 7 = 42 2) 63  ÷  9 = 7 3) 8 x 5 = 40 Factors: 6 and 7 Product: 42 Factors: 7 and 9 Product: 63 Factors: 5 and 8 Product: 40
Definition ,[object Object],Example : 7 is  prime  because the only  numbers that will divide into it evenly are  1 and 7.
Examples of Prime Numbers 2, 3, 5, 7, 11, 13, 17,  19, 23, 29, 31, 37…
Definition ,[object Object],Example : The number  8 .  The factors of 8 are 1, 2, 4, 8.
Examples of Composite Numbers 4, 6, 8, 9, 10, 12, 14,  15, 16, 18, 20, 21, …
One is special because  . . .   One is  not  prime. (because it does not have exactly two different factors). One is  not  Composite. (because it does not have more than 2 factors).
[object Object]

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Factors and prime and composite numbers

  • 1. Factors, Prime Numbers & Composite Numbers
  • 2.
  • 3.
  • 4.
  • 5. Test yourself… What are the factors and products? 1) 6 x 7 = 42 2) 63 ÷ 9 = 7 3) 8 x 5 = 40 Factors: 6 and 7 Product: 42 Factors: 7 and 9 Product: 63 Factors: 5 and 8 Product: 40
  • 6.
  • 7. Examples of Prime Numbers 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37…
  • 8.
  • 9. Examples of Composite Numbers 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, …
  • 10. One is special because . . . One is not prime. (because it does not have exactly two different factors). One is not Composite. (because it does not have more than 2 factors).
  • 11.