Prime Numbers

Professional tool for analyzing prime numbers. Check primality, generate sequences, factorize numbers, and discover fascinating statistics.

Check if a number is prime

Enter a positive integer to verify if it's prime.

Result

What is a prime number?

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. The first prime numbers are 2, 3, 5, 7, 11, 13, etc. The number 2 is the only even prime.

Generate prime numbers

Generate all prime numbers within a specific range.

Calculating prime numbers...

Prime numbers found: 0

The Sieve of Eratosthenes

This method, created by the Greek mathematician Eratosthenes, is an efficient algorithm for finding all primes up to a given number. It works by systematically eliminating multiples of each prime found.

Prime Factorization

Break down a number into its prime factors.

Prime Factors

The number factors into:

Fundamental Theorem of Arithmetic

States that every integer greater than 1 can be represented exactly in one way as a product of prime numbers (its prime factors), regardless of the order of the factors.

Prime Number Statistics

Interesting facts about the distribution of prime numbers.

Calculating statistics...

Statistics up to 1000

Prime Number Distribution

Prime numbers are distributed irregularly, but follow statistical patterns. The Prime Number Theorem states that the number of primes less than a number n is approximately n/ln(n).

Fast and Efficient

Optimized algorithms to handle large numbers with instant results.

Responsive Design

Works perfectly on any device: mobile, tablet or desktop.

Educational

Clear explanations and educational content about number theory.

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