Find the least positive $x$ such that the expression $a + bx$ is divisible by $n$, where $a$, $b$, $n$ are assigned
30045
Solving linear congruences by hand: modular fractions and inverses
38090
Partial sums of $nx^n$
21986
What is the minimum value of $(1 + a_1)(1 + a_2). . .(1 + a_n)$?
22154
Show that given a set of positive n integers, there exists a non-empty subset whose sum is divisible by n
152506
The greatest common divisor is the smallest positive linear combination
54430
For $a,b$ coprime, there exists positive integers $x,y$ such that $ax-by=1$
20478
Mathematical expression for $n$ largest values in a set
18693
If $a,b$ are positive integers such that $a^{n}+n$ divides $b^{n}+n$ for every $n$, then $a=b$
86518
Does $X$ have a lower bound?
11216
Induction: How to prove that $ab^n+cn+d$ is divisible by $m$.
135571
Bézout Identity with coefficient divisibility constraints
83036
f(g(x)) has a degree divisible by n
117761
When is $\binom{n}{k}$ divisible by $n$?
49501
Prove that : $(a-b)(a-c)(a-d)(b-c)(b-d)(c-d)$ divisible by $12$
130615
divisibility of binomial coefficients by primes
155493
Minimum value of the expression given below.
80365
Prove that $n$ is divisible by $6$