![]() ![]() The algorithm can be improved further by observing that all primes are of the form 6k ± 1, with the exception of 2 and 3. ![]() Instead of checking till n, we can check till √n because a larger factor of n must be a multiple of smaller factor that has been already checked. ![]() There are different ways to optimize the prime number program in Python: If any divisor is found then we display that the “number is not a prime number” else we display that the “number is a prime number”. Here, you will divide the input number by all the numbers to see whether there are any positive divisors other than 1 and number itself. If we find any other number which divides, print that value.įind out our Python Training in Top Cities/Countries IndiaĪ prime number is always positive and it will be checked at the beginning of the program. To find a prime number in Python, you have to iterate the value from start to end using a for loop and for every number, if it is greater than 1, check if it divides n. are prime numbers as they do not have any other factors. What is a Prime Number?Ī positive integer greater than 1 which does not have other factors except 1 and the number itself is called a prime number. In this article, we will see how to write a prime number program in Python in the following sequence: This Edureka Python Full Course helps you to became a master in basic and advanced Python Programming Concepts. ![]()
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