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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 ? 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 • 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 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 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 6 6