List questions from prime-numbers

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The square root of a prime number is irrational

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Finding prime solutions to $100q+80 = p^3 + q^2$

Published on 18 Oct 2014 - 16:35

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Something similar to Euler's theorem

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Prime numbers and $\sqrt{10301}$

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Conjecture on sum of powers

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Math for Computer Science

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On the difference between consecutive primes

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If $m$ and $n$ are integers with $\gcd(m,n) = 1$, prove that $\sigma(mn)= \sigma(m)\sigma(n)$.

Published on 20 Oct 2014 - 17:42

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Show that if $p$ is an odd prime, show a power $p^k$ can never be a perfect number

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Eulers totient function divided by $n$, counting numbers in the set [1,m] that are coprime to n

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Proof of $p_n<n^2$ by Elementary Means

Published on 21 Oct 2014 - 5:00

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can Sophie Germain prime be arbitrarily many?

Published on 09 Apr 2026 - 10:02

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Is it an open problem about Riemann Hypothesis non-trivial zero?

Published on 09 Apr 2026 - 13:11

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Remarks on a Previous Post: Elementary proof of $n>\frac{p_n}{\ln p_n}$

Published on 22 Oct 2014 - 4:33

List Question

Search for very large prime (greater than $2^{57885161} − 1$) between Crystal Numbers

The square root of a prime number is irrational

Finding prime solutions to $100q+80 = p^3 + q^2$

Something similar to Euler's theorem

Prime numbers and $\sqrt{10301}$

Conjecture on sum of powers

Math for Computer Science

On the difference between consecutive primes

If $m$ and $n$ are integers with $\gcd(m,n) = 1$, prove that $\sigma(mn)= \sigma(m)\sigma(n)$.

Show that if $p$ is an odd prime, show a power $p^k$ can never be a perfect number

Eulers totient function divided by $n$, counting numbers in the set [1,m] that are coprime to n

Proof of $p_n<n^2$ by Elementary Means

can Sophie Germain prime be arbitrarily many?

Is it an open problem about Riemann Hypothesis non-trivial zero?

Remarks on a Previous Post: Elementary proof of $n>\frac{p_n}{\ln p_n}$

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