factordbrpc · fdb
Sign in
>
?

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.

P · Proven prime
id #1100000009017777725 337 digits created 2026-07-29

Value

1553504743186046563140590679878060676587575835888995100107480827028717162722374244837927784813566219608533758916505977573104658402519553627382362578436613845141725915146262650141945131705064112010631709091771515910671814516971939576234514956889401301589728349473727891084566048276400140739817471407451876600212463946458747224006551487041
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 179 of the certificate chain of a 2,710-digit prime (203 intermediate primes).

Certified number2,710-digit prime
Certificatedownload
Certificate chainshow step 179 of 203

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009017777725 --detail 2 --decimal
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":1100000009017777725},"decimal":true,"detail":2}}'