determine the gcd of $n^3+3n^2-5 $ and $ n+2$
122096
Find $GCD(n^2+1,n+1)$
3611
How to prove $n^5 - n$ is divisible by $30$ without reduction
7316
How to prove that $z\gcd(a,b)=\gcd(za,zb)$
6012
Prove that $\gcd(a^n - 1, a^m - 1) = a^{\gcd(n, m)} - 1$
51858
Showing $\gcd(2^m-1,2^n+1)=1$
25573
If $\gcd(a,b)=1$, then $\gcd(a+b,a^2 -ab+b^2)=1$ or $3$.
108450
Prove that $\gcd(a, b) = \gcd(a, b + ma)$?
62959
How to find GCD, LCM on a set of numbers
28021
Showing that these two definitions of $\gcd(a,b)$ are equivalent
120459
Problem with finding the GCD in the Field of Polynomials mod p
107095
Prove $\gcd(a,b) \gcd(a,c) \gcd(b,c) \,\text{lcm} (a,b,c)^2=$ $\text{lcm}(a,b)\,\text{lcm}(a,c) \,\text{lcm}(b,c) \gcd(a,b,c)^2$
55441
Check: For the integers $a,b,c$ show that $\gcd(a,bc)=\gcd(a,\gcd(a,b)\cdot c)$
112486
Bounds on a sum of gcd's
14658
Deriving Chinese Remainder Theorem from gcd Bezout identity
94770
Greatest common divisor of two positive integers
117098
Properties of the greatest common divisor: $\gcd(a, b) = \gcd(a, b-a)$ and $\gcd(a, b) = \gcd(a, b \text{ mod } a)$
34330
How to prove $\gcd(a^2,b^2) = (\gcd(a,b))^2$?