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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 #1100000009053591107 1,935 digits created 2026-08-07

Value

196724345812533284719128777826099845195383195537901130755453465873161786772464624676646438934774669199736893208073661197181383383007638784840139249664486515617963880555601904939722393991734227315012708975228367082120620460847947348668110780057901518628620839643984205561080630050325894953673779204399582678228514249358447216884738130416767569793086448371203305324359120180359748316737500405537079594949397603926285525283681096813741503478237616293975496230584254192576050488948768193460915181342424047388217796653752165011890178328049155517531908471390766463674708445319254064336367240336527503990452811862732824355986274574821889773221446501685651915551058089031072350897744641314231807715428037239333380529875604541804671400555456277000574801644806636158870007846222941258176777252159930929005430447307135885662620257160866541029140232101462750391069097908817265673090195041336776178402580162789293617558016114554759902607384862113418062741454367340884271142981560320909378243609776731619461215697611977293140324525499040526763833562645081274307848120196918061289012577010071756795480889720686675563015162513902546680113923234596663909952049500484418072877032692268005901506757817324714198589119833524496783908725986321819358771156354944190977850138037847948141588167234130499359553596981765875878117833829691586717097422594708219949126016243264073329936555993947452019692409448483246242277331669417842710365556873520608503901801498500346022869158105421888800470201795619832630759517283438696190879769710002745505779508699636743786312581760072020615515217638170103438491909068675806285945486021573676889465598858450095002209573723996903085098079247680196179152369647696457460653561460538301063855742966643591309069448446238385093440663633560001535966529673429169995324811035750405983626535767055171501571666538059769758127701937473768826822810215272113536019436778486117252141636594780609670337352971157757219267600465654887407395189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,203-digit prime (166 intermediate primes).

Certified number2,203-digit prime
Certificatedownload
Certificate chainshow step 21 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053591107 --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":1100000009053591107},"decimal":true,"detail":2}}'