I thought the following fact was trivial, but could not find a proof anywhere. The proportion of integers with an odd number of distinct prime factors seems to be 1/2 as you would expect, but it looks like this apparently trivial result hasn't been proved so far (so I suppose it must be a conjecture.) You get a $1 million award if you solve any of these conjectures Starting points to answer this…
Most Popular Content on DSC
To not miss this type of content in the future, subscribe to our newsletter.
Other popular resources
Most popular articles