【摘要】 若p为同余式2^n-2≡1（mod n）的解的素因子,则2×ord_p2.给出了满足n≡1,3（mod 10）的解.该同余式的解的不同素因子的个数无界.更多还原

【Abstract】 If p is the prime factor of a solution to the congruence 2n-2=1(mod n), then 2Xord 2 and the solutions for which n=l,3(mod 10) are given. The number of distinct prime factors of solutions is unbounded.更多还原