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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 #1100000009023310913 1,088 digits created 2026-07-30

Value

13638854354713653410695351541022611611635771576315082418711942065844312762618914548338526782159751029277430750350311592023758903966737710693549215912600161072158593922275227130852964355321152617227038654036889816693222375761588254779533391852031081407262731782922619427732727460719848062656743656852135720873158193848115667981059907707147682104853165206508499025421971183835497903957343764758357416124333124637456541638588786361827386516123430129993531791529530156251245396408374216871765303359083422506139160556770970822186291752755953196113448447467862384630838451306186937013754188427191679673256579443010862406883855173536564294303690212678909429751148127697132209028645854213972867812329581991750871177199652777681568999324421306256793180932544700241190533332216479400043610348172513070538464580283239456914522934203746841183848630544488655545099991059197447460047322509538372700009185882883520431337296861258062280347651283185906921423076052097802043961701421288502358495324902585547307184284195343744986813875527389699596110202020605411417973315985257435912660990546355051311881181
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 1,145-digit prime (92 intermediate primes).

Certified number1,145-digit prime
Certificatedownload
Certificate chainshow step 5 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023310913 --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":1100000009023310913},"decimal":true,"detail":2}}'