Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**archie****Member**- Registered: 2005-07-03
- Posts: 2

I was wondering if anyone could assist me in this problem.

what is the smallest 5-digit prime number whose digits are all unique?

Your help is greatly appreciated

Offline

**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

You're in luck!

Thanks to:

http://www.mathsisfun.com/forum/viewtopic.php?id=964

I recently made a prime number thingy on Excel, so I can now quickly check and tell you that the answer is...

10243.

Why did the vector cross the road?

It wanted to be normal.

Offline

Pages: **1**