PrimeRush Battle

Prime Rush is a fast-paced number game where you find prime numbers as quickly as possible. Choose from nine difficulty combinations featuring different grid sizes and number ranges. Find every prime number across five rounds and aim for your fastest completion time. Be careful—selecting a non-prime number adds a one-second penalty! Features • 3×3, 4×4, and 5×5 grids • One-to-four-digit numbers • Nine difficulty combinations • Five-round time trials • Best-time records for each difficulty • Randomized challenges • Train your focus and number skills Spot the primes and set a new record!