CPLIB_MATH_PRIMEFACTOR = 1

proc primefactor(n: int; sorted: bool = true): seq[int] {....raises: [], tags: [].}

proc primefactor_table(n: int): Table[int, int] {....raises: [KeyError], tags: [].}

proc primefactor_tuple(n: int): seq[(int, int)] {....raises: [], tags: [].}