This is a list of articles about prime numbers. A prime number (or prime) is a natural number greater than 1 that has no divisors other than 1 and itself. By Euclid's theorem, there are an infinite number …

Primes are central in number theory because of the fundamental theorem of arithmetic: every natural number greater than 1 is either a prime itself or can be factorized as a product of primes that is …

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In this website we list all prime numbers. Every single one of them.

Apr 21, 2026 · Prime, any positive integer greater than 1 that is divisible only by itself and 1—e.g., 2, 3, 5, 7, 11, 13, 17, 19, 23, …. A key result of number theory, called the fundamental theorem of …

Complete list of prime numbers up to 10,000. Learn what prime numbers are, their properties, and why they matter in mathematics and cryptography.

Jan 28, 2026 · A prime number is a natural number greater than 1 that has exactly two positive divisors: 1 and itself. Numbers that have more than two divisors are called composite numbers The number 1 …

Prime Numbers - Prime numbers are those numbers that have only two factors, i.e., 1 and the number itself. For example, 2, 3, 7, 11, and so on are prime numbers.

These primes are a subset of the Mersenne numbers, Mn. The numbers are named for the French theologian and mathematician Marin Mersenne, who asserted in the preface of Cogitata Physica …

In this KS2 Maths article you’ll learn techniques to find out if a number is a prime number. We also have a KS2 Maths quiz and lots of examples.