Exercises

1. If n = pq where p=29 and q=41, determine and .

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2. Find the greatest common factor between 1234 and 28453.

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3. Determine the decoding exponent D if n=(29)(41) and E=33.

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4. Using the public key (1189,33) encrypt the plaintext message P_i = 11.

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5. Given the public key (23449,11), decipher the encrypted text E_i = 22325.

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