Large Prime Factors!

Algebra Level 4

Wikimedia Prime Decomposition

Wikimedia Prime Decomposition

Given that there are three prime factors to the following expression and the smallest prime factor is the only prime factor which is a \(2\)-digit number. Determine the smallest prime factor of

\[ \large 1+2^{21}+4^{21}\]

Image Credit: Wikimedia Prime

Problem Loading...

Note Loading...

Set Loading...