You know how when you see
PRIME numbers, they appear red,
The Big Bang Theory Season 9, Episode 12
When he wrote his paper on supersingular
PRIME numbers, how long did it take?
The Big Bang Theory Season 9, Episode 8
Encryption systems are built
on PRIME numbers.
The Big Bang Theory Season 6, Episode 8
The Prime Minister wants the crowd
to be dispersed immediately.
Money Heist Season 3, Episode 5
Hint: it's a cube of a cube
of a PRIME.
The Big Bang Theory Season 12, Episode 23