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Special Names for Numbers. ?. Prime. Composite. Square. Even. Odd. Odd vs. Even. Odd numbers are numbers that cannot be divided evenly. Examples: 1,3,5,7,9….. Even numbers are numbers that can be divided evenly. Examples: 2,4,6,8…. Prime.

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Special names for numbers

Special Names for Numbers

?

Prime

Composite

Square

Even

Odd


Odd vs even
Odd vs. Even

  • Odd numbers are numbers that cannot be divided evenly.

  • Examples: 1,3,5,7,9…..

  • Even numbers are numbers that can be divided evenly.

  • Examples: 2,4,6,8….


Prime
Prime

  • Prime numbers are numbers that have only 2 factors, one and itself.

  • Examples: 1,2,3,5,7,11,13,17,19,23…

  • Let’s find the Prime numbers up to 100.

  • WOWWWWWWWWWW


Composite
Composite

  • Composite numbers are the numbers that are not prime. They also have more than 2 factors.

  • Examples: 4,6,8,10,12,….

  • They are mostly all the even numbers and those that end in 5 and 0. The only even number that is not composite is 2.

  • Let’s find the composite numbers up to 100.


Square
Square

  • Square numbers are numbers where the factors make a square array.

  • These are also the numbers where they have a repeated factor.

  • Example: 36 is a square number. 6x6= 36

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