List questions from number-theory

Published on 01 Apr 2026 - 14:50

77

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Integers divisibility

Published on 11 Apr 2026 - 20:25

104

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Proof Verification/Help of Euler-Phi function Theorem

Published on 10 Apr 2026 - 8:44

87

Views

$\lim_{n\to\infty} \frac{(2-1)\times (3-1) \times (5-1) \times \dots \times (p_n-1)}{2\times 3 \times 5 \times \dots \times p_n}$

Published on 21 Feb 2018 - 11:09

85

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How can I count instances of $f(x)=0$ from $x=0$ to $n$?

Published on 12 Apr 2026 - 12:52

1.2k

Views

Why are complex numbers defined as $a+bi$?

Published on 10 Apr 2026 - 19:04

235

Views

Question about prime gap records

Published on 09 Apr 2026 - 4:29

50

Views

Construction of sequence satisfying some bound

Published on 25 Mar 2026 - 14:20

341

Views

Find $p,q $ prime numbers s.t. $p+p^2+...+p^{10}-q=2017$

Published on 25 Mar 2026 - 17:20

83

Views

Why does there exist $x$ such that $x^4 = 1$ in $\mathbb{Z}/8\mathbb{Z}$?

Published on 21 Feb 2018 - 20:31

67

Views

Showing a limit related to Riemann Zeta Function is finite and nonzero (number theory)

Published on 22 Feb 2018 - 2:38

423

Views

Lattice vectors and modular arithmetic

Published on 09 Apr 2026 - 1:33

129

Views

$\frac{2\cdot3\cdot5\cdot7\cdot11\cdots p_k}{5}+1$

Published on 22 Feb 2018 - 9:52

285

Views

Euler function and sums

Published on 12 Apr 2026 - 8:38

66

Views

finding the cardinality

Published on 10 Apr 2026 - 16:28

List Question

Question on notation of $\mathbb{F}[t]$

Integers divisibility

Proof Verification/Help of Euler-Phi function Theorem

$\lim_{n\to\infty} \frac{(2-1)\times (3-1) \times (5-1) \times \dots \times (p_n-1)}{2\times 3 \times 5 \times \dots \times p_n}$

How can I count instances of $f(x)=0$ from $x=0$ to $n$?

Why are complex numbers defined as $a+bi$?

Question about prime gap records

Construction of sequence satisfying some bound

Find $p,q $ prime numbers s.t. $p+p^2+...+p^{10}-q=2017$

Why does there exist $x$ such that $x^4 = 1$ in $\mathbb{Z}/8\mathbb{Z}$?

Showing a limit related to Riemann Zeta Function is finite and nonzero (number theory)

Lattice vectors and modular arithmetic

$\frac{2\cdot3\cdot5\cdot7\cdot11\cdots p_k}{5}+1$

Euler function and sums

finding the cardinality

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