Prime Numbers

Prime number reference

Browse early primes, jump to milestone nth-prime values, and use the tools to inspect them in other bases.

Calculator Converter Encryption Tool

Prime start

First primes

2 3 5 7 11 13 17 19 23 29 31 37

Milestones

10th prime: 29 100th prime: 541 1000th prime: 7919 10000th prime: 104729 100000th prime: 1299709

Browse deeper

Open milestone entries to jump quickly to common nth-prime checkpoints like the 10th, 100th, 1000th, and beyond.