Mathematics
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Sophie
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All Questions Answers
Score Newest
answer
41
Can I search for factors of $\ (11!)!+11!+1\ $ efficiently?
Jan 5, 2020
answer
18
Show that, for any two integers $a$ and $b$, at least one of the expressions $a^3, b^3, a^3+b^3$ or $a^3-b^3$ will be divisible by $7$.
Aug 26, 2017
question
14
Can the sum of the first $n$ squares be a cube?
Nov 26, 2016
question
11
How to efficiently compute the minimal polynomial of a number expressed in radicals?
Feb 20, 2020
answer
10
There does not exist natural numbers such that $\frac{m}{n}+\frac{n+1}{m}=4$.
May 19, 2017
answer
10
Does $\sum\frac{4^n(n!)^2}{(2n)!}$ converge?
Nov 16, 2016
answer
9
Is there any deep reason that 23456789 is prime?
Oct 9, 2017
question
9
How to effectively compute fundamental units in rings?
Nov 17, 2017
question
8
Solutions to the diophantine equation $x^n-2y^n=1$. Can the sum of the first $n$ squares be a perfect power?
Dec 4, 2016
question
8
Why are the minimal solutions of the Pell equation $x^2-(n^2-3)y^2=1$ larger than average when $3 \not | n$?
Sep 16, 2017
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Bounties don't last long enough
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Are there any solutions to the diophantine equation $x^n-2y^n=1$ with $x>1$ and $n>2$?

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