What is the difference between Prime and Composite Numbers? - ProProfs Discuss
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What is the difference between Prime and Composite Numbers?

Asked by Lysa , Last updated: Oct 08, 2020

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2 Answers

Louise

Louise

Building buildings and building intelligence

Louise
Louise , Builder, MBA, Brampton

Answered Jun 02, 2020

Prime and composite numbers are both natural numbers. A natural number is any number that is one and above. They are written as follows: 1, 2, 3, 4, 5, 6,7, 8, 9, 10, and so on. A prime number is a number that only has two factors. Those factors are the number and one. A composite number has the numbers one and itself as its factors, as well as other numbers as its factors. Examples of a composite number are all numbers that end in 5, for they are all able to be divided by 5. Therefore, 15, 25, and 105 are all composite numbers. An example of a prime number is 9.
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T. Perez

T. Perez

T. Perez
T. Perez

Answered May 20, 2020

All numbers from one and above are called natural numbers and are written as 1,2,3,4,5 and 6. A prime number is a natural numeral that does not have a remainder when divided either by itself or one. Prime numbers are not divisible by any other except these two numbers. There are only two numbers not divisible by any other numbers except these two numbers.

Nine, for example, is a number that is divisible by every number except for one and itself, which is called a composite number. Nine is divisible by three apart from nine and one. Except for two, all other prime numbers are odd numbers.

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