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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

74 correct solutions
96 incorrect solutions

Last solution submitted on Feb 01, 2015

1 player likes this problem

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.

1 Comment

Aurelien Queffurust
on 22 Jun 2012

Size 42 ! wow should be the best solution

1 Comment