Fermat's probabilistic primality test
npm install fermatFermat's probabilistic primality test.
`` javascript
const fermat = require('fermat');
fermat(7);
// => true
fermat(561);
// => true (not actually prime though)
`
` bash`
$ npm install fermat
` javascript`
const fermat = require('fermat');
Returns true if n is _probably_ prime. Returns false otherwise. n` can be
either a _Number_ or a _String_.