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 …

In this example, the modular inverse of 7 7 with respect to 31 31 is 9 9. How can we find out that 9 9? What are the steps that I need to do? Update If I have a general modulo equation:

2 From my understanding, the “multiplicative inverse” of a number is what you have to multiply it by to get 1 1, i.e. the inverse; in general, the multiplicative inverse of x x would be 1 x 1 x. …

Jan 4, 2016 · 0 To get the additive inverse, subtract the number from the modulus, which in this case is 7 7. (except that 0 0 is its own inverse) For example, the additive inverse of 5 5 is 7 − 5 …

Aug 7, 2017 · Modular multiplicative inverse Asked 8 years, 5 months ago Modified 3 years, 7 months ago Viewed 3k times

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 …

Jan 17, 2017 · If there is an inverse of x mod n x mod n, that gives us a number y y so that xy ≡ 1 mod n x y ≡ 1 mod n. That means that xy = kn + 1 x y = k n + 1, or (rearranging) that xy − kn = …

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

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 …

Feb 28, 2018 · 2 I came across this sentence in J. Gallian's book - "Integer a has a multiplicative inverse modulo n iff a and n are co-prime/relatively prime" What is meant by "multiplicative …