123405 ❲2026❳

Want to see more algorithm breakdowns? Check out Algorithm blog post #3 on Medium for similar challenges!

In mathematics, anything multiplied by zero becomes zero. If we didn't skip the "0" in 123405, our entire result would vanish! By adding a simple if statement, we ensure that our product remains meaningful. This logic is a building block for more complex data filtering you’ll do in real-world apps. 3. Pro Tip: Using math.prod

1×2×3×4×5=1201 cross 2 cross 3 cross 4 cross 5 equals 120