Find the nearest prime - MATLAB Cody - MATLAB Central

Problem 42749. Find the nearest prime

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(50)
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Given a positive integer 'n', the task is to find a prime number greater than or equal to 'n'.

Example 1

If given 'n' is 10, then the closest prime number greater than 10 is 11 at a distance of 1. So 11 must be returned.

Example 2

If the given 'n' is 17, then the closest prime number is itself at a distance of 0. So 17 must be returned.

The returned prime number must be greater than or equal to 'n'.

Solve

Solution Stats

43.33% Correct | 56.67% Incorrect
Last Solution submitted on Mar 20, 2025

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