Improve `prime_check` in math modules (#6044)
* improved prime_check
* updating DIRECTORY.md
* included suggested changes
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> L
lakshmikanth ayyadevara committed
dcc387631d201de42dbf34216088e7faba302a41
Parent: f7c58e4
Committed by GitHub <noreply@github.com>
on 7/11/2022, 3:29:27 PM