factordbrpc · fdb
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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 #1100000009054394885 592 digits created 2026-08-07

Value

1670172595066618427053220726663140828769840493025758447865773664122341948402363693308207933273359372495491166597101500041559877599864202023967196713671639490862902600166020669710348542143466829945148729674702283092662580704126146199245406673723392893392381392196362780223561363063954390497659703818038130286109379033638734395891448017949864173408885323648560808415157667344345664425668447512995506831756684158510820500752426908654404347926031791601609950674218916368341431263940570564919438255436275062782716403813036026310938733199514934776396425071075811843561422283518141513129013879711279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,625-digit prime (130 intermediate primes).

Certified number1,625-digit prime
Certificatedownload
Certificate chainshow step 81 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054394885 --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":1100000009054394885},"decimal":true,"detail":2}}'