Find smallest n such that $na$ $mod$ $b = k$.
30045
Solving linear congruences by hand: modular fractions and inverses
3208
There is no smallest rational number greater than 2
21986
What is the minimum value of $(1 + a_1)(1 + a_2). . .(1 + a_n)$?
39953
$a\mid b,\ c\mid d\,\Rightarrow\ ac\mid bd $ $\ \, \bf\small [Divisibility\ Product\ Rule]$
90438
To prove that if $ab\equiv ac\bmod n$ and $(a,n)=1$ then $b\equiv c\bmod n$
10724
Case of the 'mice problem' for $n=3$
43599
Is the Ratio of Associative Binary Operations to All Binary Operations on a Set of $n$ Elements Generally Small?
151636
Fast way to calculate n! mod m where m is prime?
53411
Minimum of $\sqrt{\frac{a}{b+c}}+\sqrt{\frac{b}{c+a}}+\sqrt{\frac{c}{a+b}}$
41354
Binomial-coefficients if, k, m, n natural numbers and k \leq n the result of
44076
Proving if $d_0$ is the smallest positive integer in $S$ then $d_0 = \gcd(a,b)$
70856
Construct ideals in $\mathbb Z[x]$ with a given least number of generators
4972
Mod of numbers with large exponents [modular order reduction]
64269
Finding the minimal $n$ such that a given finite group $G$ is a subgroup of $S_n$
73345
maximum size of a $k$-intersecting family of $[n]$
109745
If $(a,k)=(b,m)=1$, prove that $(ab,km)=(a,m)(b,k)$.
41673
Solve congruence system $\ x\equiv m_i-1 \pmod{m_i}\,$ for $\,i = 1,\ldots, k$