Transcript Special Names for Numbers Odd vs. Even • Odd numbers are numbers that cannot be divided evenly. • Examples: 1,3,5,7,9….. • Even numbers are.

Special Names for Numbers
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
• Let’s find all the square numbers up to 100.