Prime Number Generator — Free, No Upload, Browser-Based

Generate every prime number within any range up to one million using the Sieve of Eratosthenes — the fastest classical algorithm for the job. Set a lower and upper bound, and results appear instantly without sending anything to a server. Your input never leaves the browser, making this a safe choice for offline use and privacy-conscious environments.

Cómo usar esta herramienta

1. Introduce un límite inferior (Desde) y uno superior (Hasta), o elige un rango preestablecido.
2. El algoritmo se ejecuta al instante y lista todos los primos del rango.
3. Haz clic en "Copiar todo" para copiar la lista separada por comas a tu portapapeles.