ChallengeMediumHard Number Theory ShareHard Number Theory · Medium problemHow many ordered triples of positive integers (x,y,z)(x,y,z)(x,y,z) satisfy 1x+1y+1z=1\dfrac1x+\dfrac1y+\dfrac1z=1x1+y1+z1=1?Check Show answer Walk through it step by step Practice more like this Review this concept