1. Home
  2. Calculator & Converter
  3. #

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.

Related Tools

Sun Position Calculator can calculates sun position (Solar Elevation Angle and Solar Azimuth Angle, etc.) for a given date and latitude/longitude.

Sun Position Calculator
Sun Position Calculator can calculates sun position (Solar Elevation Angle and Solar Azimuth Angle, etc.) for a given date and latitude/longitude.
Sunlight Times Calculator can calculate sun times for a given date, latitude/longitude, and the observer's height (in meters) relative to the horizon. It is an indispensable tool for anyone interested in understanding or predicting the exact times of sunrise and sunset for any location on Earth.

Sunlight Times Calculator
Sunlight Times Calculator can calculate sun times for a given date, latitude/longitude, and the observer's height (in meters) relative to the horizon. It is an indispensable tool for anyone interested in understanding or predicting the exact times of sunrise and sunset for any location on Earth.
Moon Position Calculator can calculate moon position (altitude and azimuth, etc.) for a given date, time and latitude/longitude.

Moon Position Calculator
Moon Position Calculator can calculate moon position (altitude and azimuth, etc.) for a given date, time and latitude/longitude.
Moon Times Calculator is a geographic tool that can calculate the moon's rise and set times for a given date, latitude/longitude. The calculator provides detailed information about the moon's rise and set times and accounts for geographical latitude and longitude, as well as local time zones, ensuring highly accurate predictions.

Moon Times Calculator
Moon Times Calculator is a geographic tool that can calculate the moon's rise and set times for a given date, latitude/longitude. The calculator provides detailed information about the moon's rise and set times and accounts for geographical latitude and longitude, as well as local time zones, ensuring highly accurate predictions.