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  1. How to find the inverse modulo $m$? - Mathematics Stack Exchange

    88 For example: $$7x \equiv 1 \pmod {31} $$ In this example, the modular inverse of $7$ with respect to $31$ is $9$. How can we find out that $9$? What are the steps that I need to do? …

  2. Modular multiplicative inverse function in Python - Stack Overflow

    201 Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p)? Google …

  3. How do you find a multiplicative inverse in modulo arithmetic?

    Jan 4, 2016 · When Googling 'multiplicative inverse' most of the tutorials seem to indicate it's as easy as just multiplying a number by 1 divided by the number. What's different in this …

  4. numbers - How to calculate "modular multiplicative inverse" when …

    Oct 5, 2009 · 8 I need to calculate (a/b) mod m where a and b are very large numbers. What I am trying to do is to calculate (a mod m) * (x mod m), where x is the modular inverse of b. I tried …

  5. Proving that modular inverse only exists when $\\gcd(n,x)=1$

    Jan 17, 2017 · I said at the start - IF we can find an inverse, that will lead to $\gcd (x,n)=1$. So if $\gcd (x,n)$ is not $1$, we won't be able to find an inverse. Does that make sense?

  6. modular arithmetic - How to calclulate multiplicative inverse of e …

    How to calclulate multiplicative inverse of e mod $\phi (n)$? [duplicate] Ask Question Asked 13 years, 10 months ago Modified 1 year ago

  7. c - Modular multiplicative inverse - Stack Overflow

    Aug 7, 2017 · The modular multiplicative inverse of an integer N modulo m is an integer n such as the inverse of N modulo m equals n, if a modular inverse exists then it is unique. To calculate …

  8. modular arithmetic - What is a multiplicative inverse?

    Jan 7, 2017 · However, I came across a question to do with modular arithmetic and I feel like it has a completely different meaning. Given a group $\mathbb {Z}/n\mathbb {Z}$, how do you …

  9. Calculating the Modular Multiplicative Inverse without all those ...

    Calculating the Modular Multiplicative Inverse without all those strange looking symbols Ask Question Asked 14 years, 2 months ago Modified 4 years, 3 months ago

  10. What is actually meant by modular multiplicative inverse and how …

    Aug 21, 2016 · I know how to calculate Modular Multiplicative Inverse. But I am unable to understand the physical meaning (Analytical Meaning/Intuitive Meaning ) of Modular …