In the article, there is a discussion about the definition, properties, Prime numbers from 1 to 100, coprime of prime numbers.

## Definition of prime number

Prime numbers are those numbers that are divisible only by 1 and by themselves. A number that is not divisible by any additional number is called a prime number. Prime numbers range from two to infinity.

## Properties of Prime Numbers

In the following 8 properties of prime numbers are given.

1. A prime number has only two factors.
2. Zero and 1 are not prime numbers.
3. 2 is an even prime number.
4. All numbers except 2 are prime numbers.
5. A prime number is not divisible by any number other than 1 and itself.
6. The first prime number is 2.
7. All prime numbers are greater than zero and one.
8. All prime numbers greater than one are divisible by one.

### Prime numbers from 1 to 10

There are four prime numbers between 1 and 10. 2, 3, 5, 7 are prime numbers between one and 10

Prime numbers table from 1 to 100

### Prime numbers from 11 to 20

There are four prime numbers between 11 and 20.

### Prime numbers from 21 to 30

There are two prime numbers between 21 and 30.

### Prime numbers from 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 are prime numbers between 1 and 100. There are 25 prime numbers between 1 to 100.

Prime numbers table from 1 to 100

### Odd prime numbers from 1 to 100

The number which is not divisible by 2 is called an odd prime number. Prime number except 2 is an odd prime number. There are 24 prime numbers from one to 100.

Odd prime numbers table from 1 to 100

### Even prime numbers from 1 to 100

The prime number which is divisible by only two is called an odd prime number. Only 2 odd is a prime number.

### Composite numbers from 1 to 100

Composite numbers don’t even exist.

### Prime Numbers and Co-prime Numbers

#### Example

• 5 and 9 are co-primes.
• 6 and 11 are co-primes.
• 18 and 35 are co-primes.

### What is Twice Prime Number

Two prime numbers between which there is a difference of 2. Twins are called prime numbers.

### Easy Way to Find Prime Numbers

1. First, find the nearest square of the given number

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