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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 #1100000009072505176 1,230 digits created 2026-08-11

Value

309710803879327001479039753432121071118683770424025840656082133971834797914674044336186934492431902495143529415321984169465985444434317258807292610825191131363419560887417274590952598683712654734292946130704804482749749640059541323715078733641202150595587215666549875873260319940121573700577065659303697407886009903528106275748304538583330374632181180276168430534015220780521828666144729669321798186043164478318896184557061545035860790727138985045613430194398110611860182578914722385194952790119848504761510655119068010971628316159847639864562277631757388258871383694640151497698784940767690486155587340333165227868618676061032391498451959261177462114265068211567470099540438289757642891928236172093816315115796291619668691225682933532014840681904391447129536409325452298911979404594910525342396412113958524864021467234302689935418386917683885348468992479095710880817002742937878766776302049052602963360975231953129897730652645045492534308514321355010720399241278371367275145734399140173513709095530121825307566697833635334060811738108284204548432529836571793210663066099714214756421334971032488275513915390259170925207225228297391241721468828251866478994353293953455679465514685208458890097316229744054948073187922481139204971357
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,114-digit prime (167 intermediate primes).

Certified number2,114-digit prime
Certificatedownload
Certificate chainshow step 70 of 167

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072505176 --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":1100000009072505176},"decimal":true,"detail":2}}'