# Prime number

THEOREM    There are infinitely many primes.

Proof available

THEOREM    Any prime $$\ge 5$$, is one more or one less than a multiple of six.

Proof available

THEOREM    The square of any prime $$\ge 5$$ is one more than a multiple of twenty-four.

Proof available

THEOREM

2019^4 + 4^2019\) is not prime.

Proof available