a way to find the smallest +ve integer with exactly x factors
136918
How to determine the smallest numbers with $n$ factors
115850
Minimum of $|ax-by+c|$
61302
Find the least value of $ \sec^6 x +\csc^6 x + \sec^6 x\csc^6 x$
71261
Factoring a hard polynomial
68233
Fermat's little theorem's proof for a negative integer
139350
Given two coprime integers, find multiples of them that differ by 1
9118
Polynomial division: an obvious trick? [reducing mod $\textit{simpler}$ multiples]
64883
What is the most efficient algorithm to find the closest prime less than a given number $n$
67026
Best way to find all factors of a given number
131168
Minimizing $\cot^2 A +\cot^2 B + \cot^2 C$ for $A+B+C=\pi$
45672
Even/Odd Binomial Coefficients
144017
How to find the smallest $n$ such that $n^a\equiv 1 \pmod p$
31069
Smallest and largest values of $\|\vec{v}-\vec{w}\|$
147588
All factors of a given number
155452
Prime factorization of square numbers
148260
Polylogarithms of negative integer order
40635
Finding Maximum value of consecutive positive integers with constraints