Einfacher Primzahltest
Revert ":octocat: Added .gitattributes & .gitignore files"

This reverts commit 18ef6540cba241931215740980578f71bb13eeed.
Revert "Einfacher Primzahltest"

This reverts commit a2b801253ebe6d4672eccbf2be5ca32f0ef68cce.
Revert "Revert "Einfacher Primzahltest""

This reverts commit 510c74dbed32aff1d92634cb81f534fb5c14053e.