For example,
primitiveRoot("abc") => abc
primitiveRoot("abcabc") => abc
primitiveRoot("abcabcab") => abcabcab
primitiveRoot("ababab") => ab
Type: Posts; User: lammybun
How to compute the primitive root of a word
For example,
primitiveRoot("abc") => abc
primitiveRoot("abcabc") => abc
primitiveRoot("abcabcab") => abcabcab
primitiveRoot("ababab") => ab