Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 121111

Questions about the branch of algebra that deals with groups.

4 votes

Density of numbers where a large prime factor satisfies a congruence

This is a standard sieve problem: estimate the number of integers up to x that do not possess a prime factor from a given set. The number of integers $n<x$ which do not possess such a prime factor is …
Kevin Ford's user avatar