In this class, we will learn about the prime numbers, what takes a number to be prime, etc.

What is a Prime Number

A Prime number is a natural number greater than 1 that have no positive divisors other than 1 and itself.

Examples for Prime Numbers

The following are some of the examples for prime numbers.

2, 3, 5, 7, 11, 13, etc.

Is 7 a prime number?

The given number 7 is a natural number which is greater than 1. It has only two factors: 1 and 7.

Therefore, 7 is an prime number.

Is 8 a prime number?

The given number 8 is a natural number which is greater than 1. It has four factors: 1, 2, 4, and 8.

Since 8 has more than two factors, it is not a prime number.

Is -3 a prime number?

The given number -3 is not a natural number.

Therefore, -3 is not a prime number.

Prime Numbers from 1 to 10

The following are the prime numbers present in the range of 1 to 10.

• 1
• 3
• 5
• 7

Prime Numbers from 1 to 50

The following are the prime numbers present in the range of 1 to 50.

• 2
• 3
• 5
• 7
• 11
• 13
• 17
• 19
• 23
• 29
• 31
• 37
• 41
• 43
• 47

Prime Numbers from 1 to 100

The following are the prime numbers present in the range of 1 to 100.

• 2
• 3
• 5
• 7
• 11
• 13
• 17
• 19
• 23
• 29
• 31
• 37
• 41
• 43
• 47
• 53
• 59
• 61
• 67
• 71
• 73
• 79
• 83
• 89
• 97