A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number.

A prime number is a natural number greater than 1 which has only two factors, 1 & the number itself. Learn the definition, examples, lists, facts, & more.

To find the prime factors of a number, try our Prime Factorization Tool. A Prime Number is: a whole number above 1 that cannot be made by multiplying other whole numbers. When it can be made by …

Sep 10, 2025 · Prime numbers are the basic building blocks of natural numbers. Every integer greater than 1 can be uniquely expressed as a product of primes, known as the Fundamental Theorem of …

Sep 4, 2025 · What Are Prime Numbers? A prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself. This means a prime number cannot be divided …

A prime number is any number that can be divided only by 1 and itself. For example, 3 is a prime number because the only numbers that divide it are 1 and 3. The number 4 is not, because it can be …

Dec 9, 2025 · A prime number is a whole number greater than one that has exactly two factors. Those two factors are one and the number itself. This definition is found across many school curriculums.

Sep 9, 2025 · A prime number is a number that can only be divided by itself and 1 without remainders. Here, we explain exactly what this means, give you a list of the prime numbers children need to know …

Oct 30, 2023 · Prime numbers are whole numbers that can’t be divided by any other whole numbers besides 1 and itself. The only factor of 1 is 1! That means 1 has only one factor, and prime numbers …

Jul 15, 2025 · What Are Prime Numbers? Speaking of what prime numbers are, it’s safe to say that it’s a natural number more than 1 that has no divisors other than 1 and itself. In other words, a prime …