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 #1100000009040929907 851 digits created 2026-08-03

Value

17903506284301957753845837378918377955228718739322423626023179900961563484857646113151237471451062367114363173070627501622747637313076919528639062695638283594268971813024786964116572134282145614529139367134645032308395557077516361855076304155557755990802611481407769905809452661964332391074283105727957863161071314239725752440847202641619409936841862412443285476589509579484556065235446035765720015131750851120318506478804753710274240657855017014098920951817639389538488811199285936870312541929120087557219458803233154617596282529804803037362381049674370079709136869855170918010315465098095897023714878799624552441949262285283362873750108092180340641324357892030799391094940630027689711572112888262547247924525415849172900463296428675320135859183684300529959891371136572457329008291714741555935017448681945380688730239030986273644885219400766787719721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,287-digit prime (103 intermediate primes).

Certified number1,287-digit prime
Certificatedownload
Certificate chainshow step 35 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040929907 --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":1100000009040929907},"decimal":true,"detail":2}}'