# Thread: gcd problem: cite an example

1. ## gcd problem: cite an example

PLease help me in this.

Show by example that if au+bv=d>1, then (a,b) may not be d.

2. Originally Posted by Deepu
PLease help me in this.

Show by example that if au+bv=d>1, then (a,b) may not be d.
This does't make sense. $2\cdot 4+1\cdot5=13$