Question

Divisibility of $987x^n − F_nx^{16} + F_{n−16}$

score 103 · Answer 1 · 2015-01-10 15:59:19

103

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Divisibility of $987x^n − F_nx^{16} + F_{n−16}$

Published on 10 Jan 2015 - 15:59

score 149 · Answer 2 · 2015-01-10 17:10:09

149

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For odd $n$, there is an $m$ such that $n \mid 2^m-1$

Published on 10 Jan 2015 - 17:10

score 54 · Answer 3 · 2015-01-11 10:26:05

54

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To find all positive integers $n$ such that $a\in \mathbb Z ; n|a(a-1) \implies n|a $ , or $n|a-1$

Published on 11 Jan 2015 - 10:26

score 354 · Answer 4 · 2015-01-11 17:56:38

354

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suppose that $n$ is natural number and even, show that $n \nmid 1^n +2^n+3^n + \ldots (n-1)^n$.

Published on 11 Jan 2015 - 17:56

score 48 · Answer 5 · 2015-01-11 19:51:37

48

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Does this notation mean what I intend?

Published on 11 Jan 2015 - 19:51

score 1.1k · Answer 6 · 2026-04-01 19:14:26

1.1k

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Converting Decimal to Hexadecimal

Published on 01 Apr 2026 - 19:14

score 1.3k · Answer 7 · 2015-01-13 01:38:15

1.3k

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Coprime cofactors of n'th powers are n'th powers, up to associates, for Gaussian integers & UFD

Published on 13 Jan 2015 - 1:38

score 2.6k · Answer 8 · 2026-03-25 07:59:57

2.6k

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12 column grid, how to calculate for columns(5,7,8,9,10,11)?

Published on 25 Mar 2026 - 7:59

score 1.1k · Answer 9 · 2015-01-14 12:04:51

1.1k

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Significance of GCD

Published on 14 Jan 2015 - 12:04

score 713 · Answer 10 · 2015-01-15 01:26:00

713

Views

For every natural number $n$, $ 3^{3n} - 1$ is divisible by $26$.

Published on 15 Jan 2015 - 1:26

score 59 · Answer 11 · 2015-01-15 13:12:03

59

Views

To find all positive integers $n$ such that $n|a^2-1 ; a \in \mathbb Z \implies n|a-1 $ , or $n|a+1$

Published on 15 Jan 2015 - 13:12

score 509 · Answer 12 · 2026-04-02 15:59:45

509

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If $\gcd (a,b) = 1$, what can be said about $\gcd (a+b,a-b)$?

Published on 02 Apr 2026 - 15:59

score 130 · Answer 13 · 2015-01-16 05:22:34

130

Views

Help me answer this Number Theory question on GCD (involves exponents)

Published on 16 Jan 2015 - 5:22

score 259 · Answer 14 · 2015-01-16 06:44:52

259

Views

Prove that $p$ divides $F_{p-1}+F_{p+1}-1$

Published on 16 Jan 2015 - 6:44

score 314 · Answer 15 · 2015-01-16 14:05:33

314

Views

True or False: $2^{2^{2011}} \text{ divides } 2^{2^{2012} }$

Published on 16 Jan 2015 - 14:05

List Question

Divisibility of $987x^n − F_nx^{16} + F_{n−16}$

For odd $n$, there is an $m$ such that $n \mid 2^m-1$

To find all positive integers $n$ such that $a\in \mathbb Z ; n|a(a-1) \implies n|a $ , or $n|a-1$

suppose that $n$ is natural number and even, show that $n \nmid 1^n +2^n+3^n + \ldots (n-1)^n$.

Does this notation mean what I intend?

Converting Decimal to Hexadecimal

Coprime cofactors of n'th powers are n'th powers, up to associates, for Gaussian integers & UFD

12 column grid, how to calculate for columns(5,7,8,9,10,11)?

Significance of GCD

For every natural number $n$, $ 3^{3n} - 1$ is divisible by $26$.

To find all positive integers $n$ such that $n|a^2-1 ; a \in \mathbb Z \implies n|a-1 $ , or $n|a+1$

If $\gcd (a,b) = 1$, what can be said about $\gcd (a+b,a-b)$?

Help me answer this Number Theory question on GCD (involves exponents)

Prove that $p$ divides $F_{p-1}+F_{p+1}-1$

True or False: $2^{2^{2011}} \text{ divides } 2^{2^{2012} }$

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