Tag: elementary-number-theory
- Proof relating to square root and floor function
- Prove $10^{P(n)/2}+1$ is divisible by $n$
- How summation is changed in Analytic number theory
- Can the substitution be different in this proof of a Fermat theorem
- Quadratic residue test for mod powers of 2
- Solutions to $2^a3^b+1=2^c+3^d$
- Is the following true in number theory
- Is the method correct to answering this question? Is there a quicker method to solve this question
- Do $\lambda(n)$ and $\pi(n)$ coincide infinitely often
- Is this a strict Lower bound on the amount of numbers less than x but coprime to y