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Understanding Special Names of Numbers: Prime, Composite, Square, Even, and Odd

Explore the fascinating world of numbers with special classifications such as prime, composite, square, even, and odd. Odd numbers cannot be divided evenly and include examples like 1, 3, 5, and so on. Even numbers, such as 2, 4, and 6, can be divided evenly. Prime numbers, including 2, 3, 5, and 7, have exactly two distinct factors: 1 and themselves. In contrast, composite numbers, like 4, 6, and 8, possess more than two factors. Finally, square numbers, such as 36 (6x6), are formed by multiplying a number by itself.

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Understanding Special Names of Numbers: Prime, Composite, Square, Even, and Odd

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  1. Special Names for Numbers ? Prime Composite Square Even Odd

  2. 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….

  3. 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

  4. 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.

  5. 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

  6. Let’s find all the square numbers up to 100.

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