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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 #1100000009055123063 1,768 digits created 2026-08-08

Value

4677411349059044311803326664016821024699252856050009555847153086831915524463979180794049827532702634455405387383968657195540802547934915431137257046696819668949838112476426423536116124705005383959253178275482438133388680668635246249320107727359702440006559031834221774123798482291392435514850978030964379479799240954199222418221669636860609447831399999300061334261952039296596855910979055834729639193644130720579319644946545695130746859018013166940317030452885136573803355405531866256398146542156983782757998786777931746599751800387709344562694223489220051875178236108342151532312272146962649903016380983873091958410096810937541585577001147027670126460404859809768590613285358748995447563267117168696997926541099878210542536323824064584423133411040011832330032758140214806809746574022944285729586674377353034558385247620267635581501898516016966816098142399467974068752012267571046879851042986323015851689462302339268806031781367419565904904836965446321095374520532152400735912291930161936559205716534735765675549175274594721636277490229982526215140557217809978483350712675956496370837789875085993406567281402481949249311383158191429929358969927638419648591817346549639042599394729040962371795837339044514594305607900914474295792901693300405196931074633313256242110026710284511057520859671950937868487313911190800085649019356097479367321292704149561586720320536052972903734405296694000055891919483509518417133448829415881870192155561271850061971249301400108663415649677281643336480095172697048616592032544220215078105994850044299150317382674786662902145243542586054201410031524668804673499197069175410704844847779424594622124507178069815494333829143173464587341402485298395933571632168449070586402963858761822270687341780139344012699668804570974383750641864048614085449
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 55 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055123063 --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":1100000009055123063},"decimal":true,"detail":2}}'