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What is 28!(mod29)? 28 ! \pmod{29} ?28!(mod29)?
What is 59!(mod61)? 59 ! \pmod{61} ?59!(mod61)?
What is (18!)2(mod19)? (18 !)^2 \pmod{19} ?(18!)2(mod19)?
What is (10!)84(mod11)? (10 !)^ {84} \pmod{11} ?(10!)84(mod11)?
If (n−1)!≡−1(modn), (n-1)! \equiv -1 \pmod{n} ,(n−1)!≡−1(modn), where nnn is an integer larger than one, which of the following is true?
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