List questions from elementary-number-theory

Published on 02 Apr 2026 - 1:33

117

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What are the current champions in the modified busy-beaver-competition?

Published on 29 Mar 2026 - 8:44

171

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Induction proof of Fibonacci numbers

Published on 09 Apr 2026 - 0:05

218

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Fibonacci sequence and divisibility.

Published on 08 Apr 2026 - 20:50

446

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A Combination of Graph Theory and Number Theory

Published on 10 Apr 2026 - 1:35

157

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A congruence with the Euler's totient function and number of divisors function

Published on 09 Apr 2026 - 17:57

60

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Can we conclude that $n = m^2$ for some $m \in \mathbb N$?

Published on 01 Apr 2026 - 23:55

2k

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Find that $8^{103} \bmod(13)$ using Fermat's Little Theorem

Published on 24 Mar 2026 - 14:25

387

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How do we show that $2^m - 1$ is a composite number if m is composite?

Published on 24 Mar 2026 - 0:48

248

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How do I show that this number is a pseudo prime?

Published on 09 Apr 2026 - 3:42

108

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Number theory equality related to Möbius function

Published on 23 Mar 2026 - 17:34

483

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Prime coefficients in simultaneous equation. What are the integer solutions?

Published on 24 Mar 2026 - 23:42

81

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Check if set: $\{0, 1, 2, 2^2, ..., 2^{15} \pmod {17}\}$ forms a complete set of residues.

Published on 24 Mar 2026 - 23:46

1.3k

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Help with induction proof please! For an integer $n, 3$ divides $n^3-n$

Published on 08 Apr 2026 - 20:50

693

Views

(Number of perfect powers ≤ n) ∼ $\sqrt{n}$?

Published on 08 Apr 2026 - 22:37

List Question

a question on Euclid Numbers

What are the current champions in the modified busy-beaver-competition?

Induction proof of Fibonacci numbers

Fibonacci sequence and divisibility.

A Combination of Graph Theory and Number Theory

A congruence with the Euler's totient function and number of divisors function

Can we conclude that $n = m^2$ for some $m \in \mathbb N$?

Find that $8^{103} \bmod(13)$ using Fermat's Little Theorem

How do we show that $2^m - 1$ is a composite number if m is composite?

How do I show that this number is a pseudo prime?

Number theory equality related to Möbius function

Prime coefficients in simultaneous equation. What are the integer solutions?

Check if set: $\{0, 1, 2, 2^2, ..., 2^{15} \pmod {17}\}$ forms a complete set of residues.

Help with induction proof please! For an integer $n, 3$ divides $n^3-n$

(Number of perfect powers ≤ n) ∼ $\sqrt{n}$?

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