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+2 votes
asked in PHP by (62k points)

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

1 Answer

+3 votes
answered by (9.7k points)

Run this code to get palindrome number

$palindrome = 0;

for ($i = 100; $i <= 999; $i++) {
	for ($j = 100; $j <= 999; $j++) {
		$x = $i * $j;
		if ($x > $palindrome && $x == strrev($x)) {
			$palindrome = $x;

echo $palindrome; ?>

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