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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 #1100000009059834423 2,125 digits created 2026-08-09

Value

8038585422935275206928504843370993448486650656560854662786032873051960804648179338098683065720050733421200905059316072692147680098495899680518068534393809079300781198931742782128414445470422794230247835643243079179116348315225625396538979950162419107300354658071841553464418764978736251959515110035407186936788570958122377145095724954036156419598623761461521150221747085981106836097417881628250217844672156733097605787759017431207547651050170369860009084366905731157586590688053936416157907270402052607598497108114499673320190456824961059761317770842111771428181243045316968694584020052435807355275887750861979218196567654726408437433621015630526092653433237227964376793934403482724317578150577937333095905039242519445831947227213745394415620814664525496561364050538029636189472817223359514750299970670644468956719352347918569806760967517992542301141972673515999622566722342814042186815338160540689704687724223475396158967913832197439473581584203783631677604640150488529665946606391371736912447354001709971069989141821138718544636637365989996373847724633976236701534829601908885075266912346495080908187661052967845800792735831611591544842461469260371683997574412778404453232710619037834473218047889032052042853914937505668519147403449491452567536925784915394380440372022422663988100640940610039208079357803120502583817311475814643876457429020995686571420988646954684493050175735247495071654464131365995917108558509232941552804903284429271189593976134047129911066957099399872893918990384295305000766488655955756101559908807238741412432301469735991146065341707843184601970823942467784088582425299559474697010274568618602883391882938392267015985536431341107761862442948736923760505454165399307320579581978145994789566680377229524419082229329212730916998902488546583977952619352120956759250890765698165786572262031373585723999438293652482016693672561295134270817487953016139978282038992302902268165946057160128409791008343030554505990574663587318723181109126075096912020584801645535024531447578568333525561161840369224791107824841837960141642657631962337972918240329412670223475557083959759659171306028232637969522534886744940901
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 2,611-digit prime (198 intermediate primes).

Certified number2,611-digit prime
Certificatedownload
Certificate chainshow step 37 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059834423 --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":1100000009059834423},"decimal":true,"detail":2}}'