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Sophie
  • Member for 8 years, 1 month
  • Last seen more than 7 years ago
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42
Can I search for factors of $\ (11!)!+11!+1\ $ efficiently?
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 $7$.
15
Can the sum of the first $n$ squares be a cube?
13
Are there any solutions to the diophantine equation $x^n-2y^n=1$ with $x>1$ and $n>2$?
11
How to efficiently compute the minimal polynomial of a number expressed in radicals?