Copyright © University of Cambridge. All rights reserved.

'Added Power' printed from https://nrich.maths.org/

Show menu


For how many primes $p$ is the number $p^3+3$ also prime?


If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.