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 #1100000009040811579 868 digits created 2026-08-03

Value

6898824220449393494354192493998532836460389275764032873633676598930336830044209935175253655683060705215245934530669244976724232617351836355391668526437842044628813792984421545369158957412642719650608863204185328343682189340388828825476864717160979075977451187614921480670716937936853626485187885667154778831409113822618916772372096132916828294653647120216838001329892444111045936734734566473526351415107484012230130190198535780177620472296128609528869744109314765464059048078691234549385739278731987437209773425064611475632796949998726472812594989184897840319684217182538454427454105700086681028391340197761967439050128496195413105599832028117992253540702721743901843018039476691182523329756360233628547949180849244318360405920057479775708644142806100055217722999825046120984801210931550920797009987605411431439084151642839998702282166566606695209943703833325322362491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,282-digit prime (105 intermediate primes).

Certified number1,282-digit prime
Certificatedownload
Certificate chainshow step 41 of 105

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040811579 --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":1100000009040811579},"decimal":true,"detail":2}}'