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.
- A prime number has only two factors.
- Zero and 1 are not prime numbers.
- 2 is an even prime number.
- All numbers except 2 are prime numbers.
- A prime number is not divisible by any number other than 1 and itself.
- The first prime number is 2.
- All prime numbers are greater than zero and one.
- All prime numbers greater than one are divisible by one.
Prime numbers list
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
| 2 | 3 | 5 | 7 |
Prime numbers from 11 to 20
There are four prime numbers between 11 and 20.
| 11 | 13 |
| 17 | 19 |
Prime numbers from 21 to 30
There are two prime numbers between 21 and 30.
| 23 | 29 |
Prime numbers from 31 to 40
| 31 | 37 |
Prime numbers from 41 to 50
| 41 | 43 | 47 |
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
| 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 |
Download prime numbers 1 to 100 pdf
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
| 3 | 5 | 7 | 11 | |
| 13 | 17 | 19 | 23 | 29 |
| 31 | 37 | 41 | 43 | 47 |
| 53 | 59 | 61 | 67 | 71 |
| 73 | 79 | 83 | 89 | 97 |
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 from 1 to 100 pdf
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Difference between a prime number and composite number
| Prime number | Composite number |
|---|---|
| it has only two divisors | It has more than 2 divisors |
| This number is not divisible by any number other than itself and one. | This number is divisible by 1 and itself as well as other numbers |
| Zero and one are not prime numbers. | 0, 1, and 3 are not composite numbers |
| only two even prime numbers | The first composite number is 4 |
| Examples of prime numbers are 2, 3, 5, 7, 11, 13, etc | Examples of composite numbers are 4, 6, 8, 9, 10, etc. |
Prime Numbers and Co-prime Numbers
| prime numbers | co-prime number |
|---|---|
| Prime numbers are divisible only by 1 and by themselves; they are not divisible by any other number. | Such numbers or such pairs which are divisible by only one or have common factor 1, then that number is called co-prime number. |
| Must not be divided by an additional number | The common factor should be 1 |
| It has two factors | Numbers must be in pairs |
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
- First, find the nearest square of the given number