# How to Find Prime Number Between Range in Python?

|In this Python example, we will discuss how can we find all the prime numbers which lie within a given range or in a given internal.

Table of Contents

## 1. How can we Find Prime Numbers in a Range?

A

According to Wikipediaprime numberis a number greater than 1 with only two factors – themselves and 1.

We can find prime numbers in a range by providing the starting point and the ending point. All these numbers are divisible by 1 and itself only.

EXAMPLE:Start :1Stop :7Output:2, 3, 5Start :3Stop :50Output:3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47

Some of the topics which will be helpful for understanding the program implementation better are:

## 2. Python Program to to find Prime Number in a Range

The program takes input from the user as starting value and ending value and one by one the prime numbers are printed.

Let’s implement the code and see how it works.

#Python program to find prime numbers within a range start = int(input("Enter the lower bound: ")) stop = int(input("Enter the upper bound: ")) print("Prime numbers between", start, "and", stop, "are:") for val in range(start, stop): if val > 1: for i in range(2, val): if (val % i) == 0: break else: print(val, end=" ")

OutputEnter the lower bound: 3 Enter the upper bound: 71 Prime numbers between 3 and 71 are: 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67

## 3. Conclusion

In this article, we have learned to find the prime number in a given range using the for loop and if-else condition.

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