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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 #1100000009053393806 1,597 digits created 2026-08-07

Value

1490869976641777212997165678574904746506024890461515961759984231753229244218312795643225498013071045107829485686531361133783737174998764623209642430901302906020214207596938793068678429816209550589519731124733916235615333330585430473945009340844569927926245973176388517306312132511519726151466227139714429371229708667693080910679072050083979822452798090485260632433850900670903204870017121746079306505447095883052963575453850015629491044372155760801217696679151045081650909610979227487121668048503349534802781252622964537661812745003616230039685866846306931659776239164836008123862946584970579575301281187321227646722506747427844056287720364304488236853090093833281480801202145232770436482603836368678407493666089355679655404914558550554083824819205213430952437896549993666328037521297570673910284571322934669503701226929158671438685059796281292626990411119586393283452698587687412872002277702563861986911359388896470956484922975529403153601463399316237156205316244196445389360834918719783966552256753409265761315563098539333161638880775010712811102989655578463100742779017184413614149746421735696771336392906105025804573107668601253428283420707706807868843774574061207747892025182465481983006071469010865324932862662865594372383567218378743609324835175214724111119816863214967581319165188701765152228509312264609024187243316638808533276283600280699295437058233800964485464878242184591466970639518068927887051751072709385536576449718177359151058421790253619161932321944105580835241815772895129481722321601442027874964712567861775162370996317895395060603459472528453877732528423160060175827584295273
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,201-digit prime (177 intermediate primes).

Certified number2,201-digit prime
Certificatedownload
Certificate chainshow step 46 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053393806 --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":1100000009053393806},"decimal":true,"detail":2}}'