The square of every prime number can be expressed in a linear form.
15915
For any prime $p > 3$, why is $p^2-1$ always divisible by 24?
81250
Infinitude of prime numbers
62169
Product of all prime numbers on the interval [m+1, 2m] is $\le \left(\begin{matrix} 2m \\m\end{matrix}\right)$
134
Prove that the expression is a perfect square
72551
Proof that $\rho = \pm1$ implies linear combination
78259
Prime factorization
29099
Let consider a square $10$x$10$ and write in the every unit square the numbers from $1$ to $100$
48691
Product of all prime numbers upto some prime $p$
145447
bilinear form - proof
144592
how to prove the existence and uniqueness of the prime factorization of any natural number.
98722
Understanding Euclid's proof that the number of primes is infinite.
111490
Proof that every number has at least one prime factor
33526
How to prove this beautiful statement on linear forms using induction?
33505
Show that every large integer has a large prime-power factor
125702
There is a square $Q$ consisting of $(0,0), (2,0), (0,2), (2,2)$
9146
Proving that a list of perfect square numbers is complete
21898
Find all primes $p$ such that $ p^3-4p+9 $ is a perfect square.