Question

Polynomial that indicates whether or not $x = 1 \pmod n$.

score 131 · Answer 1 · 2019-11-25 23:38:37

131

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Polynomial that indicates whether or not $x = 1 \pmod n$.

Published on 25 Nov 2019 - 23:38

score 19 · Answer 2 · 2019-11-26 07:05:13

19

Views

Find possible sums that create N

Published on 26 Nov 2019 - 7:05

score 371 · Answer 3 · 2019-11-26 16:31:47

371

Views

Functional equation $f(f(x)y+x)=f(x)f(y)+f(x)$

Published on 26 Nov 2019 - 16:31

score 138 · Answer 4 · 2019-11-27 19:12:08

138

Views

Consider x and y positive integers. Which is the smallest positive integer value that $|11x^5−7y^3|$ could assume?

Published on 27 Nov 2019 - 19:12

score 62 · Answer 5 · 2019-11-29 15:31:09

62

Views

Rescale integer percentages to a smaller integer scale while guaranteeing normalization

Published on 29 Nov 2019 - 15:31

score 98 · Answer 6 · 2019-11-30 08:53:53

98

Views

Estimating the sum of subset of positive integers

Published on 30 Nov 2019 - 8:53

score 402 · Answer 7 · 2019-11-30 12:43:23

402

Views

Find all integer z for which there exist a Nth degree polynomial P that $P(z)$ is not an integer, and $P(0),P(2),P(3),\cdots,P(N+1)$ are integers.

Published on 30 Nov 2019 - 12:43

score 91 · Answer 8 · 2026-03-25 20:34:36

91

Views

Bourbaki's notion of integer multiplication

Published on 25 Mar 2026 - 20:34

score 79 · Answer 9 · 2019-11-30 22:58:46

79

Views

Prove that this expression is always an integer

Published on 30 Nov 2019 - 22:58

score 27 · Answer 10 · 2019-12-01 15:11:21

27

Views

Boundedness Of Abundance Of Product Of $N$ Consecutive Integers

Published on 01 Dec 2019 - 15:11

score 29 · Answer 11 · 2026-03-27 18:07:00

29

Views

Solve in natural

Published on 27 Mar 2026 - 18:07

score 73 · Answer 12 · 2019-12-01 16:39:29

73

Views

Prove that numerator of fraction $\sum \limits_{k=1}^{p-2}\frac{k}{(k+1)^2}$ is divisible by $p$ for all prime $p>3$

Published on 01 Dec 2019 - 16:39

score 182 · Answer 13 · 2019-12-01 17:24:29

182

Views

Find integer solution in equation

Published on 01 Dec 2019 - 17:24

score 183 · Answer 14 · 2019-12-01 18:23:43

183

Views

For what value of $x$ is the following number a perfect square

Published on 01 Dec 2019 - 18:23

score 69 · Answer 15 · 2019-12-01 22:56:57

69

Views

When is the number $81 + 60 x (1 + x) (-2 + 5 x)$ a perfect square for $x\ge2$ and $x\in\mathbb{N}$

Published on 01 Dec 2019 - 22:56

List Question

Polynomial that indicates whether or not $x = 1 \pmod n$.

Find possible sums that create N

Functional equation $f(f(x)y+x)=f(x)f(y)+f(x)$

Consider x and y positive integers. Which is the smallest positive integer value that $|11x^5−7y^3|$ could assume?

Rescale integer percentages to a smaller integer scale while guaranteeing normalization

Estimating the sum of subset of positive integers

Find all integer z for which there exist a Nth degree polynomial P that $P(z)$ is not an integer, and $P(0),P(2),P(3),\cdots,P(N+1)$ are integers.

Bourbaki's notion of integer multiplication

Prove that this expression is always an integer

Boundedness Of Abundance Of Product Of $N$ Consecutive Integers

Solve in natural

Prove that numerator of fraction $\sum \limits_{k=1}^{p-2}\frac{k}{(k+1)^2}$ is divisible by $p$ for all prime $p>3$

Find integer solution in equation

For what value of $x$ is the following number a perfect square

When is the number $81 + 60 x (1 + x) (-2 + 5 x)$ a perfect square for $x\ge2$ and $x\in\mathbb{N}$

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