Question: 1. Use the Euclidean algorithm to determine if 47 is invertible mod 111, and to find its inverse if it is. 2. Solve the

1. Use the Euclidean algorithm to determine if 47 is invertible mod

1. Use the Euclidean algorithm to determine if 47 is invertible mod 111, and to find its inverse if it is. 2. Solve the equation 47x = 5 mod 111 in Z/111Z.

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