Find all the factors of the positive integer.HOW TO CHECK WHETHER A NUMBER IS COMPOSITE OR NOT?įollowing are the steps to find the composite number. There are infinitely many composite numbers.Any even number which is greater than 2 is a composite number.For example: 3 and 5, 5 and 7, 11 and 13, 17 and 19, 41 and 43 are the list of Twin primes in the range of 1 to 100.If there exists a composite number in between two prime numbers then such a pair of prime numbers is called twin primes.Three digits smallest composite number is 100.The two-digit smallest composite number is 12.The smallest odd composite number is 9. 1 is neither a prime nor a composite number.In the case of 4, there are more than two factors. 2 and 3 have only two factors one and itself. Odd composite number: All odd numbers that are not prime are called even composite numbers.ĩ, 15, 21 are examples of composite odd numbers.ġ is not a composite number because it has only one divisor 1.Even composite number: All even numbers that are not prime are called even composite numbers.Ĥ, 6, 8, 10, 12, 14 are examples of composite even numbers.There are two types of composite numbers. The natural numbers that are not prime numbers are called composite numbers.Įxample: 4, 6, 8, 9, 12 have more than two factors, So, they are the composite numbers. In maths, composite numbers are the type of natural numbers that have more than two factors. A composite number is a positive integer that can be formed by multiplying two small positive integers.
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