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 #1100000009055505725 1,624 digits created 2026-08-08

Value

2666138909507829358803847314056786321861585910276270916393644116198825882604999425644433243338081536731766221502042879353692464288721719754169558528017831011917468038586079995474954639916105480298810274939417030787430324561813346490693878646224141982991794223557814536163647430929165980888793751487438447496807019636951829048305963295062134580803061623438995870839318469652020704684700958207849521632894050243605287351938599471582130068555297070232301085258077506380514568356409577295125920516874784218546289252904361596314878912257590347252750731155816731790136233269683468584453119503320304148732603974211791176261291114945677102778177222084318853827662864432682118847280912022342908342392891229030170946229348298443858158510339833817514815414858176904207686030096759279839499152820799493543671571244397654853508594601433603629316748220937321913792870905411960866392125962399478595992267830023180492056800739300097271352556127364350964539126277581988359779266764179427317060696307339177460070583064018529729743738092727221457237137712055512800524007203728373102600500025791803788838290552681336543839151955342952803489128750774781770300670420307984875697876024373725548622755364936516013895686081843121620169317426486557986119436180794297207706586837136282797630314685142003229087341702454628409275779999715486008538209262849229455351377978459984048530909407383295908752035189647611688093090908072860429839799291188680720624087022765074256958488251691935060734137084719342223356624904366671525651012713578089652831082091578975149565026580818750727042876512059513106434338460217639182717838470940563352263988293023910490019
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,227-digit prime (175 intermediate primes).

Certified number2,227-digit prime
Certificatedownload
Certificate chainshow step 50 of 175

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055505725 --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":1100000009055505725},"decimal":true,"detail":2}}'