Number theory: Is this argument correct and cube question
46102
Prove that $2^n +1$ in never a perfect cube
127816
Number theory proof mod p
65965
Theoretical way to prove no positive integer $n$ exists such that $n+3$ and $n^2+3n+3$ are both perfect cubes.
94327
Cubic Diophantine with two variables
1713
number theory $\gcd(a,bc)=\gcd(a,c)$
46701
Complex Number Proof Questions
102634
Order of the Rubik's cube group
47001
Cubic diophantine equation
3632
Basic number theory proofs
1197
Finding $\gcd(2n-1,2n+1)$ . . . I think it's 1 but is my logic right?
14932
What would be the number of inequivalent $6$-colourings of the faces of a cube?
100399
A doubt with a part of a certain proof.
93948
Is my proof correct? $p_1p_2p_3\cdots p_n+1)$ cannot be the square of an integer
75387
A proof that $1=2$. May I know why it’s false?
84220
Questions on perfect squares
114277
Proving in Discrete Structures Problem that $2^N = \binom{N}{0} + \binom{N}{1} + \binom{N}{2} + \dots + \binom{N}{N}$
71789
Prove that the sum of digits of $(999...9)^{3}$ (cube of integer with $n$ digits $9$) is $18n$