By using the elementary methods of congruence and the properties of solutions of Pell equation,the problem of integer points of elliptic curve y2=x3+2 021x-4 050 was discussed,and it was proved that the elliptic curve has only one integral point(x,v)=2.0.
关键词
椭圆曲线/整数点/Pell方程/解的性质/同余
Key words
elliptic curve/integral point/Pell equation/properties of solutions/congruence
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