Encryption systems are built
on PRIME numbers.
The Big Bang Theory Season 6, Episode 8
I'd say he is a PRIME suspect
in the disappearance
Breaking Bad Season 2, Episode 2
I've devoted the PRIME
of my life to string theory
The Big Bang Theory Season 7, Episode 20
...I believe I was their PRIME target.
Breaking Bad Season 3, Episode 9
of the set of PRIME factors
of the day.
The Big Bang Theory Season 11, Episode 17