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Re:二次剩余（quadratic residue）In Reply To:二次剩余（quadratic residue） Posted by:dongshanluo at 2007-08-22 11:03:27 这个是欧拉判别法则 可以简单理解如果存在x使得x^2≡a(mod p) p不整除a,得p不整除x 费马小定理a^((p-1)/2)≡x^(p-1)≡1（mod p） Followed by: Post your reply here: |
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