1 mirror · Windows · Free
Pick from 1 verified mirror below. All deliver the same 1.66 MB file under the Time-limited Trial license.
1 available
About this software
The Prime Number Spiral (a.k.a.the Ulam Spiral) is formed by marking the prime numbers in a spiral arrangement of the natural numbers.
Read the full Prime Number Spiral review and feature list →
Tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical 1.66 MBfile. Each link launches a brief 5-second redirect page so we can track which mirrors are healthiest.
At a glance