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keisanHigh-precision calculations for everyday life and work

Modular Inverse Calculation

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Given coprime integers a and m, calculates the integer x (=a-1) satisfying a * x = 1 (mod m), using the extended Euclidean algorithm.
\( ax \equiv a a^{-1} \equiv 1\ \pmod m \)
Integer a:
Modulo m:
Modular Inverse a-1 

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