What does it mean for a to be an inverse of a modulo m

Reference no: EM131168745

a) What does it mean for a to be an inverse of a modulo m?

b) How can you find an inverse of a modulo m when m is a positive integer and gcd(a, m) = 1?

c) Find an inverse of 7 modulo 19.

Reference no: EM131168745

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