Problem 42317. De-primed

Created by goc3

Difficulty:Rate

Solve Later
Add To GroupÃ‚

Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and return that de-primed array or matrix. One will be treated as prime in this problem.

Solve

Solution Stats

359 Solutions
151 Solvers

Last Solution submitted on Jan 27, 2025

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Group

Project Euler II

12 Problems
51 Finishers

Sums of cubes and squares of sums
Sum of big primes without primes
Project Euler: Problem 11, Largest product in a grid
Highly divisible triangular number (inspired by Project Euler 12)
Divisors for big integer
Large Sum (inspired by Project Euler 13)
Longest Collatz Sequence
Project Euler: Problem 16, Sums of Digits of Powers of Two
Project Euler: Problem 18, Maximum path sum I
Recurring Cycle Length (Inspired by Project Euler Problem 26)
Numbers spiral diagonals (Part 1)
Numbers spiral diagonals (Part 2)

Problem Recent Solvers151

Problem Tags

Community Treasure Hunt

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

Start Hunting!