(self, other)
return self.div(other)[1]
Return denominator Factors of ``self / other``.

        Examples
        ========

        >>> from sympy.core.exprtools import Factors
        >>> from sympy.abc import x, y, z
        >>> a = Factors((x*y**2).as_powers_dict())
        >>> b = Factors((x*y/z).as_powers_dict())
        >>> a.rem(b)
        Factors({z: -1})
        >>> a.rem(a)
        Factors({})
Return denominator Factors of ``self / other``.
Return denominator Factors of self / other .
def rem(self, other):  # Factors
        """Return denominator Factors of ``self / other``.

        Examples
        ========

        >>> from sympy.core.exprtools import Factors
        >>> from sympy.abc import x, y, z
        >>> a = Factors((x*y**2).as_powers_dict())
        >>> b = Factors((x*y/z).as_powers_dict())
        >>> a.rem(b)
        Factors({z: -1})
        >>> a.rem(a)
        Factors({})
        """
        return self.div(other)[1]
def rem ( self , other ) : # Factors return self . div ( other ) [ 1 ]