Prime Product - MATLAB Cody - MATLAB Central

Problem 44699. Prime Product

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My professor has given a sequence of N numbers as a1, a2, ..., aN and asked me to find the smallest possible value of ai * aj such that it is a prime number, where 1 <= i < j <= N.

If it's possible to find any value of ai * aj such that it is a prime number, then print the smallest value of such ai * aj, otherwise print -1.

x=[1 2 3]
y = 2

x=[5 5 5 2]
y = -1
Solve

Solution Stats

44.44% Correct | 55.56% Incorrect
Last Solution submitted on Dec 29, 2024

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