Puzzling Asked on March 23, 2021
Here is a nice puzzle from my friend.
Can you find a number that is a product of two consecutive primes and when multiplied by its own reversal produces a palindrome? The answer may surprise you. No computers please.
I didn't use programming but used a calculator. I think the answer is
First I observed that
Therefore
So I started searching for
After finding this answer, I decided to check if there are other possible answers (of course using a program).
Turns out there are two more:
The program used:
I still like my original answer the most, because
Correct answer by Bubbler on March 23, 2021
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