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Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by Doug Hull

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A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 99.

Find the largest palindrome made from the product of numbers less than or equal to the input number.

Thank you to Project Euler Problem 4

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Solution Stats

Last solution submitted on Aug 18, 2019

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Alan Chalker on 16 Feb 2012

Your last test case is accidentally all commented out, so isn't a real test case

Solution Comments

Solution 34918

2 Comments

2 Comments

Aurelien Queffurust on 22 Jun 2012

Cheating ...

Ned Gulley on 22 Jun 2012

Thanks for the note Aurelien. I added to the test suite.

Solution 26458

1 Comment

1 Comment

Aurelien Queffurust on 22 Jun 2012

Size 42 ! wow should be the best solution

Recent Solvers107

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