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Prime numbers up to n

easyLast edited: September 19, 2025

Problem
Examples
Example 1
Example 2
Follow up
Solution
Method 1 — Naive primality checks
Intuition
Approach
Code
Complexity
Method 2 — Sieve of Eratosthenes
Complexity
Method 3 — Euler sieve
Intuition
Approach
Code
Complexity

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Related Tags

primality numerical-algo

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Count PrimesMedium Infinite Prime GeneratorMedium Sieve of Eratosthenes AlgorithmEasy

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