Tags
Prizes
More
FAQ
Problem Lists
Definitions
Links
How to help
Go
Go
All
Random Solved
Random Open
OPEN
Let $A,B\subseteq \mathbb{N}$ be two infinite sets. How dense can $A+B$ be if all elements of $A+B$ are pairwise relatively prime?
#432
:
[ErGr80]
number theory
Asked by Straus, inspired by a problem of Ostmann (see
[431]
).
Previous
Next
