Primel — Guess the Secret 5-Digit Prime Number in 6 Tries
Welcome to Primel, the prime number Wordle variant designed for mathematicians, number theory fans, and logic puzzle enthusiasts. In Primel, your challenge is to identify a secret 5-digit prime number in exactly six attempts. Standard digit placement rules apply, but there is a major catch: every single guess you enter must also be a mathematically verified prime number.
How to Play Primel
Type any 5-digit prime number and press Enter. The game will evaluate your guess using standard Wordle colors:
- Green: The digit is in the prime number and in the correct spot.
- Yellow/Purple: The digit is in the prime number but in a different position.
- Gray: The digit is not in the prime number at all.
What Makes Primel Unique?
Every Guess Must Also Be a Prime Number
Unlike other number games where you can enter any sequence of digits to test layouts, Primel requires you to only enter valid 5-digit prime numbers. If your guessed number can be divided by any integer other than 1 and itself, the game will reject it as invalid.
A Smaller but Specific Word Pool — All Primes
While there are 90,000 possible 5-digit numbers (from 10000 to 99999), only 8,363 of these are prime numbers. This restricted pool makes every valid entry highly strategic, and you will learn to spot which digit configurations are mathematically possible.
Primel vs Nerdle — Key Differences
Nerdle is an arithmetic equation game requiring operations like +, -, *, /, and =. Primel features absolutely no operators. It is a pure number deduction puzzle focused entirely on digits and prime checking.
What Is a Good Primel Score?
Finding a 5-digit prime in 6 tries is a solid challenge. Here is how your scores rank:
Primel Score Benchmarks Table
| Guesses Needed | Rating | Description |
|---|---|---|
| 1-2 | Genius | Extremely lucky or an absolute prime number database in your head! |
| 3 | Expert | Great logical deductions, minimizing digit overlaps. |
| 4 | Great | The standard targeted solve score for experienced players. |
| 5-6 | Good | Solved the secret prime and kept your streak alive. |
Primel Strategy — How to Narrow Down the Prime Number
Start With a Prime That Covers Common Digits
Choose an opener that uses five different digits to cover as much ground as possible. For example, 12953 or similar numbers are great starting primes that cover high-frequency digits.
Use Color Feedback to Eliminate Digit Positions
Remember that even if a digit is yellow, it must go in one of the other remaining positions. Use this to quickly construct digit combos that match prime listings.
Think in Prime Families to Speed Up Elimination
No 5-digit prime can end in an even digit (0, 2, 4, 6, 8) or in 5 (otherwise it's divisible by 2 or 5). Thus, the fifth digit must always be 1, 3, 7, or 9. Focusing only on these four ending digits immediately eliminates 60% of layout combinations!
What Are 5-Digit Prime Numbers?
Quick Primer on Prime Numbers for New Players
A prime number is a whole number greater than 1 whose only divisors are 1 and itself. A 5-digit prime is simply any prime number falling in the range from 10007 to 99991.
Primel Daily vs Unlimited Mode
We support both daily seed challenges and unlimited play, allowing you to practice prime number logic repeatedly without daily limits.
Try Other Math and Number Games
Done with primes? Try your logic skills on the 5-digit Numble (which allows any 5-digit number), guess equations in Nerdle, or reconstruct target values in Mathler!
Frequently Asked Questions
What is Primel?
Primel is a math version of Wordle where players guess a secret 5-digit prime number in 6 tries.
How do you play Primel?
Enter any 5-digit prime number. The tiles will light up green, yellow, or gray to help you deduce the secret prime.
Does every guess have to be a prime number in Primel?
Yes, the game verifies your guess and will reject any input that is not a prime number.
How many guesses do you get in Primel?
You have exactly 6 attempts to solve the puzzle.
Is Primel free to play?
Yes, our online Primel game is 100% free with no login required.
What is a good strategy for Primel?
Start with a prime ending in 1, 3, 7, or 9 using unique digits (like 12953) to eliminate paths fast.
What is a 5-digit prime number?
It is a prime number between 10000 and 99999 that is only divisible by 1 and itself (e.g. 10007).