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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 #1100000009123068498 2,182 digits created 2026-08-30

Value

2597267466871833235852326053183889483669255222864018291190417534431898694087983803178427285954049406649961639767954985888868062508271317562963818999562341416437577221707385931359749855836499537616612912921627971436586734645227801384531335322508174238633076059414387111339122078570408137047995974342711138057989697583113884032672570383512952309988717628814426662156690693951920180144097059566816011843978893499800226624066899336705646220991845358214828778877201187662294753704691956543809347770663986633116693036493623752917225939468934975294118668886725411185451237514825077267793791920869612658130355702486155691525263434888051693031144467271752275058768657495607223662906003858585954210476797419265261634438621694707257394721141081129380386417770853662659288029344148069714904009086265275662951812236002792837169074740060103263451937046971993199178390957248007344615522676905058878691268996581833629542671771525102351368982846255448521021650864441871595208756586063007408954147730839240715914190758602078111129025429507124874196044879504094523112840418168238479323569166425855449869182721641542441126378022243983649302319031164320490709237658180389536617279105315046661313888563204280941827672070694002262985804311604278440084587650728629375144444731880159185045740553424539417875820216358920026478260433064016288709575951795448164666480928967207236074790152058884404366979140452183334769666251891603383434944604442354588637056400289772083646565656759689194168453868776597705341039890013784317070008665188664274184748403367949942603083066098229420969168025707127698678472151261919385430450670960165837905396674637375577017254009397157849043075963995028798133498185798430433465060786301946861615608232567648322861840520316448981287749522525511144058134138610425569204613378516641627896012580657961299811397531367001212000094428160884649585455653799434051253692855225534624034916077258843845721022306350093323973955828357075761179164984703755721901237637605089760056513466569559180584075837568280316831691332887338953160424238425672757806514124596026357603840480568098100090508942111074938759899917768557863651508018875186183809788383935187533115131617157653041024175849923981008609
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 91 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123068498 --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":1100000009123068498},"decimal":true,"detail":2}}'