Number Theory, Part 2 - Statistics

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  • This quiz has been taken 7 times
  • The average score is 7 of 12
Answer Stats
Hint Answer % Correct
The linear congruence ax = b (mod m) has a solution when gcd(?, ?) divides b. Enter your answers separated by a comma. a,m
100%
If two integers differ from each other by a multiple of some integer m, we say they are ______ modulo m Congruent
100%
The set of all integers x such that x = b (mod m), denoted by [b], is referred to as a ________ class? Congruence
83%
Name the theorem: A system of n linear congruences in one variable x has a solution, if and only if all of the moduli are pairwise relatively prime Chinese remainder theorem
67%
The above is an example of a _________ class. Equivalence
67%
Integer b has an inverse modulo m precisely when b and m are ____ ____. (2 word answer) relatively prime
67%
The solutions to linear congruence ax = b (mod m) are separated by multiples of what number, where d = gcd(a, m). Write your answer as a fraction like this: x/y m/d
50%
Name the theorem: An integer p is prime if and only if (p-1)! is congruent to (p - 1) modulo p. (Example: (5-1)! = 24 is congruent to (5 -1) = 4 modulo 5). Wilson's Theorem
50%
What is the term for a set of integers, S, such that every integer that exists is congruent modulo m to some integer in S. Complete residue system modulo m
33%
What is the name of the following type of problem: Find x such that a*x is congruent to b modulo m? (where a, b, and m are known integers, and x is the unknown you are trying to solve for) Linear congruence
33%
What is the term for a set of integers, S, such that every integer that exists that is relatively prime to m is congruent to some integer in S? Reduced residue system modulo m
33%
Let b and c be integers. If bc is congruent to 1 modulo m, what is the term for this multiplicative relationship that b has to c? Inverse modulo m
17%
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