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modular arithmetic (in finite field - part of elliptic curves)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg84747] modular arithmetic (in finite field - part of elliptic curves)
  • From: Peppy <BrenOMahony at gmail.com>
  • Date: Fri, 11 Jan 2008 22:15:08 -0500 (EST)

Part of my calculations give me
11/20 mod 23

How can this be expressed as a whole number?

I know 1/20 mod 23 = 15
seeing that 15 * 20 mod 23 = 1 (inverse mod mult)

Just wondering if it'd be 11 * 15 mod 23 which is 4?


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