Prime and Composite Numbers

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Prime and Composite Numbers: Overview

This topic covers concepts, such as, Prime and Composite Numbers, Prime Numbers, Sieve of Eratosthenes Method to Find Prime Numbers & Coprime Numbers etc.

Important Questions on Prime and Composite Numbers

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Let's write down a simple even prime number.

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Is each even number except for 2 prime or composite? Let's write down.

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Let's write down the composite numbers from 1 to 50.

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Let's write down the prime numbers from 1 to 50.

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Write the factors of the number given below and find out if the given number is prime or composite:

17

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Write the factors of the number given below and find out if the given number is prime or composite:

11

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Write the factors of the number given below and find out if the given number is prime or composite:

3

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Write the factors of the number given below and find out if the given number is prime or composite:

10

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Write the factors of the number given below and find out if the given number is prime or composite:

21

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Write the factors of the number given below and find out if the given number is prime or composite:

20

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Write the factors of the number given below and find out if the given number is prime or composite:

14

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Write the factors of the number given below and find out if the given number is prime or composite:

6

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Write the factors of the number given below and find out if the given number is prime or composite:

18

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What are the prime factors of 49 ?

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What are the factors of 21?

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How many prime factors does 24 have?

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How many factors does 8 have?

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6 is a _____ number.

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The number of factors of 8 are _____.

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7 is a _____ number.