Prime Number Calculator

Number
Result

{{settings.num}} is {{result.isPrimeNumber?'':'not '}}a prime number.

Prev Prime Number

Next Prime Number

{{result.next}}

Prime Number Calculator can determine whether a given number is a prime and also compute its previous and next prime number.

What it the "Prime Number"?

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. In other words, a prime number can only be divided evenly (without any remainder) by 1 and the number itself. For example, the numbers 2, 3, 5, 7, 11, and 13 are all prime numbers.

Here are some key points about prime numbers:

  • 2 is the smallest prime number and the only even prime number.

  • Every other prime number is odd.

  • There are infinitely many prime numbers; this fact is known as the infinitude of primes.

  • Prime numbers are fundamental in number theory and have various applications in cryptography and computer science.

Featured Tools

Featured tools that you might find useful.

Popular Tools

List of popular tools that users love and frequently use.

New Tools

The latest tools added to our collection, designed for you.

Topics

The tools grouped by topics to quickly find what you need.
Slope Calculator determines the slope of a line using the slope formula. Additionally, it can provide point coordinates, the incline angle, and the length if the slope and one point are provided.

Slope Calculator

Slope Calculator determines the slope of a line using the slope formula. Additionally, it can provide point coordinates, the incline angle, and the length if the slope and one point are provided.
Z-Score Calculator enables you to calculate the z-score for a given normal distribution, facilitating conversions between z-scores and probabilities, as well as determining the probability of values occurring between two specified z-scores.

Z-Score Calculator

Z-Score Calculator enables you to calculate the z-score for a given normal distribution, facilitating conversions between z-scores and probabilities, as well as determining the probability of values occurring between two specified z-scores.
Prime Number Calculator can determine whether a given number is a prime and also compute its previous and next prime number.

Prime Number Calculator

Prime Number Calculator can determine whether a given number is a prime and also compute its previous and next prime number.
Prime Factorization Calculator can break down a composite number into its simplest building blocks, which are prime numbers.

Prime Factorization Calculator

Prime Factorization Calculator can break down a composite number into its simplest building blocks, which are prime numbers.