Question

Let $M$ be a commutative monoid with the cancelation law. Show that an lcm doesn´t exist under these conditions.

score 89 · Answer 1 · 2026-03-29 05:43:40

89

Views

Let $M$ be a commutative monoid with the cancelation law. Show that an lcm doesn´t exist under these conditions.

Published on 29 Mar 2026 - 5:43

score 43 · Answer 2 · 2021-05-06 19:58:26

43

Views

Is this a valid proof for $\gcd(a,b) = \gcd(b,r),\ r = a-bq$?

Published on 06 May 2021 - 19:58

score 120 · Answer 3 · 2021-05-09 05:09:48

120

Views

How to test if a polynomial GCD is correct

Published on 09 May 2021 - 5:09

score 28 · Answer 4 · 2021-05-10 22:00:36

28

Views

How to quickly identify common factors

Published on 10 May 2021 - 22:00

score 113 · Answer 5 · 2021-05-11 05:37:20

113

Views

Find the least number of muffins baked

Published on 11 May 2021 - 5:37

score 549 · Answer 6 · 2021-05-11 13:59:14

549

Views

Dividing two numbers by their GCD to obtain relative primes

Published on 11 May 2021 - 13:59

score 85 · Answer 7 · 2021-05-14 03:21:00

85

Views

Show $t^5-5t+1$ has no multiplicities

Published on 14 May 2021 - 3:21

score 70 · Answer 8 · 2021-05-14 17:18:08

70

Views

Let $a,b\in\mathbb Z$ such that $\gcd(a,b)=5$. Find $\gcd(25ab^2, a^4 + b^4)$.

Published on 14 May 2021 - 17:18

score 204 · Answer 9 · 2021-05-14 18:47:23

204

Views

Sum of GCD and LCM is the sum of those numbers

Published on 14 May 2021 - 18:47

score 111 · Answer 10 · 2026-03-29 15:55:00

111

Views

Show that $\gcd(5a+8, 7a+3)=1\textrm{ or } 41$. Best way to solve a problem of this sort?

Published on 29 Mar 2026 - 15:55

score 120 · Answer 11 · 2021-05-15 13:56:54

120

Views

determine the gcd of $n^3+3n^2-5 $ and $ n+2$

Published on 15 May 2021 - 13:56

score 122 · Answer 12 · 2021-05-15 21:13:04

122

Views

Halving input but not at each step of a process

Published on 15 May 2021 - 21:13

score 39 · Answer 13 · 2026-04-05 00:38:49

39

Views

Calculate how many of the numbers are divisible by 11, 23, 29 with range from 2100 & 10000

Published on 05 Apr 2026 - 0:38

score 195 · Answer 14 · 2021-05-20 17:04:23

195

Views

Quick check to find the greatest common divisor

Published on 20 May 2021 - 17:04

score 497 · Answer 15 · 2026-03-27 07:37:20

497

Views

GCD of rational and irrational numbers

Published on 27 Mar 2026 - 7:37

List Question

Let $M$ be a commutative monoid with the cancelation law. Show that an lcm doesn´t exist under these conditions.

Is this a valid proof for $\gcd(a,b) = \gcd(b,r),\ r = a-bq$?

How to test if a polynomial GCD is correct

How to quickly identify common factors

Find the least number of muffins baked

Dividing two numbers by their GCD to obtain relative primes

Show $t^5-5t+1$ has no multiplicities

Let $a,b\in\mathbb Z$ such that $\gcd(a,b)=5$. Find $\gcd(25ab^2, a^4 + b^4)$.

Sum of GCD and LCM is the sum of those numbers

Show that $\gcd(5a+8, 7a+3)=1\textrm{ or } 41$. Best way to solve a problem of this sort?

determine the gcd of $n^3+3n^2-5 $ and $ n+2$

Halving input but not at each step of a process

Calculate how many of the numbers are divisible by 11, 23, 29 with range from 2100 & 10000

Quick check to find the greatest common divisor

GCD of rational and irrational numbers

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