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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 #1100000009057729272 1,493 digits created 2026-08-08

Value

34488430488634253674136685646108272855962362899205054718320779680835247569804598028009396509786538548074666725037771690688337964695362860719291023799068505735314216192373367594113285752107132569025365803140182302020750419841404954077037413952560873109427513683192802647332836079931086017868993736756947750657828969521831361991239194468061597006922019098112254519785518549878297727847429717411476049568095256621538517443981824907961437915832954600083905047534751500958587003718268545822266123947707401179695769236275525674700660732347880499626375588382065301898050321073503427357561966784174614704633848177104227448323159012983285515261201488166665647393648350963955188367430982746361355351393723895351948241944996038632541706028908473641152931796145623189478746368277965048743525546346800201410698388384451049342103178609258466105079139554266683577970285223381070829265594738271278888373407429648084604015391668758163439282323483375664819418289489119007333198383794565172896155316727610634915646998690363241092310954645201451312771388554201239937100390940262890951957923943824845841617633246080245381557504593614433259727204232275731711107509498869999258570867062234533917934681916218850750403871086611118759450574159509454010308298989977774248216646426611316777522904657410279400535745523550969274415815615420204127711794468278573749601616655301378236662171524855349311280069916613791731651220991191003153439120098938860973339382838879774186633812831903676499341867581806436860051877183611753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 14 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729272 --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":1100000009057729272},"decimal":true,"detail":2}}'