Here is a simple example of how you can use a while loop to check if a number is prime or not in Python: def is_prime(n): if n <= 1: return False i = 2 while i*i <= n: if n % i == 0: return False i += 1 return True # Test the function for n in range(2, 10): print(f"{n}: {is_prime(n)}")

Oct 16, 2024 · Print the First 10 Prime Numbers in Python Using a While Loop. Here, let me show you two methods to print the first 10 prime numbers using a while loop in Python. Method 1: Basic While Loop with Prime Check Function. This method uses a while loop to iterate through numbers and a helper function to check if a number is prime. Example:

6. write a python program to print prime numbers in a given range using a while loop. NOTE: In this program, we will change only the upper limit and lower limit of the while-loop with user input.

How to Find Prime Numbers in Python using While Loop. In this Python tutorial, I want to share source codes of a simple Python program which identifies whether a number is a prime number or a composite number.

As a first exercise with Python, I'm trying to write a program using loops to find primes. Everything works with a for loop so I am trying to use a while loop. This works but the program returns a few incorrect numbers. max_num = int(input("max number?: ")) i = 0. # It's only necessary to check with the primes smaller than the square.

for i in range(2, p): if p % i == 0: break. else: print p, This is perhaps a more idiomatic solution (using a for loop instead of a while loop), and works perfectly. The outer for loop iterates through all the numbers from 2 to n. The inner one iterates to all numbers from 2 to p.

Jan 19, 2025 · print (f"{number} is a prime number.") else: print (f"{number} is not a prime number.") This will involve making a request for your input on a certain number before subjecting it under the mentioned test condition, which causes it to display results as follows. Enter a number: 7 7 is a prime number.

Mar 31, 2025 · Explanation:. Edge case: Numbers less than or equal to 1 are immediately classified as not prime because prime numbers are greater than 1. Use of math.sqrt: The math.sqrt function calculates the square root of n.; For Loop: The loop iterates from 2 up to and including √n, significantly reducing the number of checks needed compared to iterating through all numbers up to n-1.

Source code to print all prime numbers between two numbers enterd by user in Python programming with output and explanation...

The question is, write a Python program to print all prime numbers from 1 to 100. The program given below is its answer: for i in range (start, end+1): count = 0. for j in range (2, i): if i%j == 0: count = 1. break if count == 0: print (i)