Composite Numbers

Composite Number

A natural number which has at least one divisor other than 1 and number itself, with no remainder is known as composite number.

One is not a composite number.

All natural numbers other than 1 and prime numbers are composite numbers.

Eg:- 4, 6, 8, 10, 12, 14, 15, 16 and so on.

Method to find if a number is composite number

Eg:- Is 46 a composite number?

Solution-

Divide 46 by 2

Division

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46 is divisible by 2 and factors are 23 and 2.

46 can be divided by 2, 23, 1 and by 46.

It has more than two factors.

Hence, 46 is a composite number.

 

Helping Topics

Fractional numbers

Types of fractions                 

Steps to change mixed fraction into improper fraction                

Steps to change improper fraction into mixed fraction                                                         

 Method to find equivalent fraction

Ordering of fraction

Cross multiplication

Least common multiple

Prime numbers

Whole numbers

Addition of fractions

Subtraction of fractions

Multiplication of fractions

Division of fractions

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