Using congruence and quadratic residue, this paper proves that P≡19(mod 24) is odd. When Q=97 241 337 and 〖JB((〗〖SX(〗P〖〗Q〖SX)〗〖JB))〗=-1,the indefinite equation x3-1=PQy2 only has integer solution.
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李 润 琪.不定方程x3-1=PQy2的整数解[J].重庆工商大学学报(自然科学版),2015,32(9):45-47 LI Runqi. On Integer Solution to the Indefinite Equation x3-1=PQy2[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2015,32(9):45-47