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How to Avoid Printing Odd Numbers in a Prime Number Sequence in Python?

Published on 2024-11-07
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How to Avoid Printing Odd Numbers in a Prime Number Sequence in Python?

How to Print a Sequence of Prime Numbers in Python

Many programmers struggle to create a function that accurately prints prime numbers in Python. One common problem is printing a list of odd numbers instead. To rectify this issue, a thorough understanding of prime number properties and an alteration to the code are essential.

Prime numbers are only divisible by 1 and themselves. Therefore, the improved code checks divisibility within a range from 2 to the square root of the number (or the number itself if it's smaller). This ensures efficiency and accuracy.

Here's an example using a more optimized and Pythonic syntax:

import math

for num in range(2, 101):
    if all(num % i != 0 for i in range(3, int(math.sqrt(num))   1, 2)):
        print(num)
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