Sieve of Eratosthenes
Prime Lattice
- 01Unmarked is prime.
- 02Strike multiples from its square.
- 03After √n, the rest are prime.
0/102
1–100
Steady
Press play to begin the sieve of Eratosthenes.
- Unmarked
- Prime
- Composite
- Current
Space plays and pauses. Arrow keys step. Range is 25–300.