Purchase Solution

Congruences and Primes

Not what you're looking for?

Ask Custom Question

Prove that is p is prime, we have:

n choose m is congruent to [floor(n/p) choose floor(m/p)]*[(n mod p) choose (m mod p)] (mod p)

Hint: show that (1+x)^(pq+r) is congruent to (1+x)^r * (1+x^p)^q (mod p)

If you can point me to a book or website explaining how to do this type of problem, and give a sketch of the proof, that would be great.

Attachments
Purchase this Solution

Solution Summary

Congruences and Primes are investigated. The solution is detailed and well presented.

Solution Preview

Please see the attached file for the complete solution.
Thanks for using BrainMass.

Proof:
First, I claim that (mod )
We know that . For , we have since is a prime. ...

Purchase this Solution


Free BrainMass Quizzes
Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Probability Quiz

Some questions on probability

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts