Hint: it's a cube of a cube
of a PRIME.
The Big Bang Theory Season 12, Episode 23
Encryption systems are built
on PRIME numbers.
The Big Bang Theory Season 6, Episode 8
not even Prime.
The Big Bang Theory Season 11, Episode 12
He's in his PRIME.
Game of Thrones Season 4, Episode 6
Is there any PRIME minister in Europe
who wants to go to jail?
Money Heist Season 3, Episode 5