CF · Composite, factor known
Value
7111111111…17<199>
term (10^199-1)/9+10^198*6+10^99*6+6
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
Is factor of
Report factors
Paste anything - plain factors, a GMP-ECM run, a factor list. Every number found is checked for divisibility; the ones that divide are submitted.
From the command linefdb · curl
fdb
fdb number id:1100000004228184477 --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000004228184477},"decimal":false,"detail":2}}'