Primearily (Misspelling intended ➔ Prime / Early / Primarily) allows you to check if any number is a
prime number (number larger than one, which is only divisible by 1 and itself) or not, while also remembering previously checked numbers.
Primearily uses one the most efficient ways to check if a number is prime, and is very fast as a result. This is probably the biggest reason Primearily might just become one of your best friends if you are, for example, working with cryptography, or any other mathmatical field, in which prime numbers are important.
Note that Primearily might freeze while checking a large number. To be honest, browsers aren't made for this, so if you need to check a number of about a billion and higher, you really should use a professional program instead of this.
Primearily is a free web app, do not sell / privatise.
Created with ♥ by Snowp in The Netherlands.
Style powered by Bootstrap