factordbrpc · fdb
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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 #1100000009066492778 2,021 digits created 2026-08-10

Value

15273950751845267379338016332649018776144717541142415691387225786811018095717185028823501738676152212743407397089321856862802103699117408595384694817257238302598462072546325813737218165578615244564511332624374866674143899029054891066698854864238365457194544196756255415469528771358099346193257066902239013321846992701346239918116214978857318618416651316447114408887456314487500413129771930547678882609702378542958599346094903810957041427361635632985422386323015139746795065988508449554603589618351363341265675196786518842936366852879919027897987201180534575925593879143804296991800583114201612804217887617183405183523656811806127499087093634754044242082794359633488985842069290390536675999081869918355277984114156810062787891459413643284857551801780201877406713711005311008458995179204273026524924555539679042974420781629584278450781836146709301722166887220816608681188628209906164426426282091044701314887690176673391047086301905576572793974610699711920576233541290393703531580284894176975085457636319615957498680516163426897341090027885299751341974174061390015128636713496431192027402779253056798454962173049054684714146205075292678293889325126654035510495672167337719244352513715997495994674382442330054771008412620400537791265901626556533706576733474815830143388643462240181357372133502574345872098010997149225050992896314907629343341833171144583311147662096887383065853867968870469242042694934064790289155687370632006857366071762538482586460393494220871776340072314245754119507678290275479301570911910742757034700543300018683104990279285659363728570800205634883741583864776932751387113444153906109101749000007456579571380227241914108010979010095174276714765308601849120734588985675325053984812410768239319417344515109528448906099712607967240457045524048874926082682742017754162752591290578503033589725363370200160599550693236846208696734243871823845456994955664724848398670219893201200844213631794767805979024592387457972853429362857624950375148460326684779220656404697958535114784545413819263377552054645692691821361
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 2,487-digit prime (185 intermediate primes).

Certified number2,487-digit prime
Certificatedownload
Certificate chainshow step 37 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066492778 --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":1100000009066492778},"decimal":true,"detail":2}}'