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# Python - Find the number of prime numbers within a given range of numbers

When it is required to find the prime numbers within a given range of numbers, the range is entered and it is iterated over. The ‘%’ modulus operator is used to find the prime numbers.

## Example

Below is a demonstration of the same

lower_range = 670 upper_range = 699 print("The lower and upper range are :") print(lower_range, upper_range) print("The prime numbers between", lower_range, "and", upper_range, "are:") for num in range(lower_range, upper_range + 1): if num > 1: for i in range(2, num): if (num % i) == 0: break else: print(num)

## Output

The lower and upper range are : 670 699 The prime numbers between 670 and 699 are: 673 677 683 691

## Explanation

The upper range and lower range values are entered and displayed on the console.

The numbers are iterated over.

It is checked to see if they are greater than 1 since 1 is neither a prime number nor a composite number.

The numbers are iterated, and ‘%’ with 2.

This way the prime number is found, and displayed on console.

Else it breaks out of the loop.

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