Primle

Primle

Find the prime numbers hidden inside a sequence of digits. Drag to select consecutive digits and discover every prime.

🧮PracticeChoose difficulty — primes count shown🏆ChallengesHourly, daily & weekly — same for everyone

How to play

  1. A multi-digit number is shown on screen.
  2. Click and drag across consecutive digits to select a segment.
  3. If the segment forms a prime number, it lights up green and is added to your found primes.
  4. Red means not prime — try again!
  5. In a Challenge, submit your score to the leaderboard when you're done.