Question

Natural number that has a remainder of $1, 2, 3, 4$ respectively after dividing...

score 1.4k · Answer 1 · 2026-03-25 11:04:35

1.4k

Views

Natural number that has a remainder of $1, 2, 3, 4$ respectively after dividing...

Published on 25 Mar 2026 - 11:04

score 371 · Answer 2 · 2026-04-14 15:41:14

371

Views

Relation between $\gcd(a, b)$ and $\gcd(a+b, \operatorname{lcm}(a, b))$

Published on 14 Apr 2026 - 15:41

score 79 · Answer 3 · 2026-04-14 10:22:27

79

Views

How far was base $47$ checked for a generalized Wieferich-prime?

Published on 14 Apr 2026 - 10:22

score 120 · Answer 4 · 2026-04-10 11:35:16

120

Views

What are the properties of abundancy numbers?

Published on 10 Apr 2026 - 11:35

score 155 · Answer 5 · 2026-04-12 18:36:01

155

Views

Does there exist a polynomial it does not have any integer root but has at least one root in $\Bbb Z_n$ , $\forall n \in \Bbb Z$?

Published on 12 Apr 2026 - 18:36

score 63 · Answer 6 · 2026-04-09 06:20:37

63

Views

Can a finite set of bases guarantee that a number is Carmichael or prime?

Published on 09 Apr 2026 - 6:20

score 148 · Answer 7 · 2026-04-17 05:33:20

148

Views

Find all pairs of intergers satisfying $x^2+11 = y^4 -xy$ and $y^2 + xy= 30 $

Published on 17 Apr 2026 - 5:33

score 3k · Answer 8 · 2026-04-15 21:56:02

3k

Views

Proof: If no prime less than or equal to $\sqrt{n}$ divides $n$, then $n$ is a prime

Published on 15 Apr 2026 - 21:56

score 263 · Answer 9 · 2026-04-14 18:47:09

263

Views

Are all numbers of the type $\frac{n!}{2}+1$ deficient?

Published on 14 Apr 2026 - 18:47

score 42 · Answer 10 · 2026-04-10 21:00:43

42

Views

How to get the error in the approximation of the number?

Published on 10 Apr 2026 - 21:00

score 79 · Answer 11 · 2026-04-16 18:34:42

79

Views

Least $x$ such that $x \mid (n^x-n)$

Published on 16 Apr 2026 - 18:34

score 55 · Answer 12 · 2026-04-13 19:01:21

55

Views

Positive Integers to make a square

Published on 13 Apr 2026 - 19:01

score 127 · Answer 13 · 2026-04-12 23:30:57

127

Views

The following equation has several solutions $2x+3y=73$

Published on 12 Apr 2026 - 23:30

score 38 · Answer 14 · 2026-04-13 04:23:10

38

Views

What is the Dirichlet density of all primes whose least residue mod 24 is strictly less than 8

Published on 13 Apr 2026 - 4:23

score 107 · Answer 15 · 2026-04-13 17:09:36

107

Views

Algebra - Solving for three unknowns.

Published on 13 Apr 2026 - 17:09

List Question

Natural number that has a remainder of $1, 2, 3, 4$ respectively after dividing...

Relation between $\gcd(a, b)$ and $\gcd(a+b, \operatorname{lcm}(a, b))$

How far was base $47$ checked for a generalized Wieferich-prime?

What are the properties of abundancy numbers?

Does there exist a polynomial it does not have any integer root but has at least one root in $\Bbb Z_n$ , $\forall n \in \Bbb Z$?

Can a finite set of bases guarantee that a number is Carmichael or prime?

Find all pairs of intergers satisfying $x^2+11 = y^4 -xy$ and $y^2 + xy= 30 $

Proof: If no prime less than or equal to $\sqrt{n}$ divides $n$, then $n$ is a prime

Are all numbers of the type $\frac{n!}{2}+1$ deficient?

How to get the error in the approximation of the number?

Least $x$ such that $x \mid (n^x-n)$

Positive Integers to make a square

The following equation has several solutions $2x+3y=73$

What is the Dirichlet density of all primes whose least residue mod 24 is strictly less than 8

Algebra - Solving for three unknowns.

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