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GGurprittarnished.hashnode.devJul 16, 2025 · 5 min read

The Sieve of Eratosthenes

Prime numbers are the building blocks of number theory, yet finding them efficiently has challenged mathematicians for millennia. Among the earliest and most elegant solutions is the Sieve of Eratosthenes—an algorithm devised over 2,000 years ago by ...

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NBNikhil Bhendenikhilbhende.hashnode.devFeb 22, 2024 · 5 min read

A Beginner’s Guide to Find the Number of Prime Numbers with Python

Problem Statement: Problem: Write a function count_prime(nums) that takes an integer nums as input and returns the count of prime numbers up to and including nums. Additionally, the function should print out the list of prime numbers found within thi...

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JKJagan kumar ganireddytheviewofjagan.comOct 13, 2023 · 1 min read

Optimsed " prime number "

Prime Number : A Whole Numer (any number between zero to infinity, not including decimals or fractions eg:1,2,...∞ ) that has factors only 1 and itself. // JAVA code Prerequestis : If you have an idea of how to code...

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YPYaroslav Prozorovbyka.hashnode.devJun 11, 2023 · 2 min read

How to print prime factors of a number efficiently

"In a realm where numbers hold secrets, a captivating challenge awaits, which is to Find all the Prime factors of a Number" Description Problem: We are given a number n. The task is to print all prime factors of n. Prime Factors: They are prime numbe...

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PCPriya Chakrabortypriyachakraborty.hashnode.devApr 26, 2023 · 2 min read

DAY 9 of PYTHON top 100 questions : from Basic to Advanced !!

Write a Python program to check whether a given number is a prime number or not : num = int(input("Enter a number: ")) if num > 1: for i in range(2, num): if (num % i) == 0: print(num, "is not a prime number") bre...

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FOFavour Olumesethecodingprocess.hashnode.devJun 7, 2022 · 3 min read