🧠 Matchstick puzzle: Move 1 matchstick to create a number less than 731

 

You may have seen it popping up on Facebook, TikTok, or Instagram: the famous **731 Matchstick Puzzle**. At first glance, it seems childishly simple. You see a number made of three matchsticks, and the instructions are:

“Move just one matchstick so that the number is less than 731.”

Sounds simple, right?

Yet thousands are stumped. Some stare at the image for minutes, while others are convinced that the puzzle is impossible. Reactions to the viral posts range from “This is too easy!” to “This is going to blow my mind!”

But why is this seemingly simple challenge so difficult? And what is the correct solution?

Let’s explore, step by step, why this puzzle has so many people stumped.