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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 #1100000009063834061 2,118 digits created 2026-08-09

Value

204006499723884733682814430003115498060964582323906957431983591408302203215811351664968849244826057238663687423151600122906957903244885520224580158025617440028128061630593949572194516980281197702054607774566002318123882128144815392608401622128449069099671137892836092613010306311892832190078495221136389453180758466424717260339481151216412347026162728805748846311605409938526666387313417241725966735817161509674943473912127003710119627805596415019979227391588157873158950639801210093305656634657653109846646359532730332980005650624793967215021661858118535339883637863143420291863566895928056569343850961288499387318519676641106522250539473130271994482379966590586740411652431594519375886542902716526441613718437514298751908119238289791732171138875654231469440621102916320607767567701569459754602350257367068624154296651273288769310777267057777018353397898379811559011652489222136308464031265754231174538264661338732622361016579081367640429675258376713919000848659291908742819993791642431713833463589890363983684060581399987132392437469616269988923075573064903886882087801666206462193319315668098767695938999095278174765031534161139545557535804379881896994299691497036621129606544945463220940201876096519967450533496430527638297293687492194389058895033160042984292162087612606056904757187549265098380770940529278442348803803570708634670628155678181422881561784628199574438244923198622419528297784694491015746149673611290907451421745455069605037077263032768019235756119363824834910718250028711718107413432312363292829036645389635420052108282657646613656791167714703271755963052424531223724815452450761365606076294148907423618780270072005129966678117343782775900364867421674663196857876753803027298201789510353234404233129415285264624253995551938996248297228078410147397383136127194041202483392409012054445767555979458996315216674863671082868802144617263923593936023472417584537055860523974446842138864333091099816889259704602460299586784951822272925222915232965158237543904684178713249570429945263208438927117621422704928178135554486096477861170981736663799795746500761359788697935776413211338043907211699935729406533007
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 2,477-digit prime (189 intermediate primes).

Certified number2,477-digit prime
Certificatedownload
Certificate chainshow step 31 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063834061 --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":1100000009063834061},"decimal":true,"detail":2}}'