Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Primes in floor function sets   Let $x$ be a positive integer. We give an asymptotic formula for the number
of primes in the set $\{\fl{x/n}, 1 \le n \le x\}$ and give some related
results.

33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
5
The categories of this paper are: gr-qc
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
1
The categories of this paper are: cs
30
The categories of this paper are: q-alg
25
The categories of this paper are: patt-sol
7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
37
The categories of this paper are: supr-con
36
The categories of this paper are: cmp-lg