Determine whether a number is unprimeable - MATLAB Cody - MATLAB Central

Problem 52639. Determine whether a number is unprimeable

Difficulty:
(93)
Rate
The number 204 is unprimeable because no single digit can be changed to make it prime. In contrast, the number 207 is not unprimeable because changing the first digit to 0, 1, 3, 6, or 9 or the second digit to 2, 5, or 7 would make it prime.
Write a function to determine whether the input number is unprimeable.
Solve

Solution Stats

54.55% Correct | 45.45% Incorrect
Last Solution submitted on Sep 12, 2024

Problem Comments

Solution Comments

Show comments
Who Deserves Your Praise? Discover the New Contribution Widget!
...
We are excited to announce another update to our Discussions area: the...

Problem Recent Solvers15

Suggested Problems

More from this Author292

Problem Tags

primes project euler

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
Go to top of page