Number TheoryHardOrders and Primitive Roots ShareOrders and Primitive Roots · Hard problemHow many xxx with 0≤x<1430 \le x < 1430≤x<143 satisfy x2≡3(mod143)x^2 \equiv 3 \pmod{143}x2≡3(mod143)?Check Show answer Walk through it step by step Practice more like this Review this concept