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7h
comment Examples of eventual counterexamples
9 beats 7, holding out until $2^{53}$.
7h
comment Binomial Distribution and Proof relating to Factorials
The MO website is for questions of math research.
1d
comment Can we always attain another prime via inserting digits between the digits of a fixed prime?
I interpreted the wording of the problem to mean, inserting one digit between each pair of (adjacent) digits.
2d
comment Examples of common false beliefs in mathematics
So, what does "$V$ is a vector space over field $P$ $(e_1,\dots,e_n)$" mean?
2d
comment Adherent value of sin(sqrt(n))
MO is for questions about Mathematics research.
2d
revised Most 'unintuitive' application of the Axiom of Choice?
edited tags
2d
comment Examples of common false beliefs in mathematics
What does that little subscript $p$ on the equals sign mean?
2d
awarded  Nice Answer
Feb
11
comment Area of an irregular, n-sided, non-intersecting (edges) polygon algorithm
OP doesn't use the word, "convex", so I'm not sure this is what's wanted. It may be one is required to have on the boundary all of the $n$ points given.
Feb
7
comment How big are the prime factors of $2^kp - 1$?
How far up have you tested this, Ant?
Feb
3
revised Recreational mathematics: where to search?
fixed URL
Feb
2
comment Number of ways of tiling a $2 \times n$ rectangle using rectangles with integer sides
At OEIS, it says $a_n=6a_{n-1}-7a_{n-2}$. I wonder how one gets that?
Feb
2
comment Homeomorphism between (-1,1)×[-1,1) and [-1,1]×[-1,1)
Why have you posted the same question twice?
Feb
1
awarded  Yearling
Jan
31
comment Even-odd partitioned groups!
You haven't told us what $G_e$ stands for, nor $G_O$, nor $G_o$.
Jan
28
comment How many solutions does $\frac{1}{x_1}+\frac{1}{x_2}+\cdots +\frac{1}{x_n}=1$ have?
math.stackexchange.com/questions/290435/… started out as a question about the case $n=5$, but several of the answers turned to the more general case.
Jan
28
awarded  Popular Question
Jan
27
comment The Sato-Tate conjecture (Frobenius eigenvalues)
Perhaps someone could compose an answer from the comments, and post it as an answer?
Jan
27
revised finite orbits of transformations of the rational function field
typo in title
Jan
26
answered Which Graeco-Latin hypercubes are impossible?