A prime number is a whole number that is divisible only by one and itself. 3 can is divisible by 1 and 3, and is prime. 6 is divisible by 1, 2, 3, and 6, and is not prime. 1 is not counted as prime, making 2 the first prime number, and the only even prime number.
Below is a brief list of prime numbers and their applications, as noded on E2. /msg me with any additions*.
up^
- The Very Basics
- Finding the Primes
* A lot of the mathematics that use prime numbers is far above my head; I'm trying to organize this information in an useful way; I am taking suggestions from people more knowledgeable than myself as to how this might be done.