List questions from elementary-number-theory

Published on 11 Apr 2026 - 4:04

156

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Show that rational functions are unique after canceling common divisors

Published on 14 Apr 2026 - 2:55

54

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A question about the name of a property of positive numbers

Published on 09 Apr 2026 - 1:43

112

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Must heredity be explicilty stated in addtion to Peano's axioms when defining natural numbers?

Published on 11 May 2026 - 3:12

4.1k

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Legendre Symbol (2/p)

Published on 16 Apr 2026 - 15:18

133

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Show $\phi(n)$ = $n \Pi_{p \vert n} (1 - \frac{1}{p})$

Published on 14 May 2026 - 5:14

133

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Special case of Wolstenholme's theorem true for p=3?

Published on 11 May 2026 - 5:30

283

Views

If $2^k - 1$ is prime then $k$ is prime, using $2^{m} -1 \vert 2^{mn} - 1$

Published on 15 Apr 2026 - 3:54

98

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Sum of divisors of a perfect square

Published on 16 Apr 2026 - 1:10

64

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Is there a method of proving that gcd(a, b) = c for values of a, b, and c that are not necessarily known?

Published on 12 Apr 2026 - 3:01

214

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Prove that if $n,m \in \Bbb N$ then $\frac{1}{n} + \frac{1}{m} = \frac{7}{17} $ doesn't have any solutions.

Published on 16 Apr 2026 - 12:14

175

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Polydivisble numbers using base b

Published on 13 Apr 2026 - 16:42

340

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Modular Arithmetic with Negative Exponents

Published on 10 Apr 2026 - 15:55

266

Views

A006517: Numbers with $n\mid 2^n+2$

Published on 15 Apr 2026 - 19:48

49

Views

Elementary number th. Harmonic sum and its mod

Published on 11 May 2026 - 7:18

List Question

Is $n^2+3n+6$ divisible by 25, where $n$ is a integer?

Show that rational functions are unique after canceling common divisors

A question about the name of a property of positive numbers

Must heredity be explicilty stated in addtion to Peano's axioms when defining natural numbers?

Legendre Symbol (2/p)

Show $\phi(n)$ = $n \Pi_{p \vert n} (1 - \frac{1}{p})$

Special case of Wolstenholme's theorem true for p=3?

If $2^k - 1$ is prime then $k$ is prime, using $2^{m} -1 \vert 2^{mn} - 1$

Sum of divisors of a perfect square

Is there a method of proving that gcd(a, b) = c for values of a, b, and c that are not necessarily known?

Prove that if $n,m \in \Bbb N$ then $\frac{1}{n} + \frac{1}{m} = \frac{7}{17} $ doesn't have any solutions.

Polydivisble numbers using base b

Modular Arithmetic with Negative Exponents

A006517: Numbers with $n\mid 2^n+2$

Elementary number th. Harmonic sum and its mod

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