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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 #1100000009115537422 2,058 digits created 2026-08-28

Value

139631765042794168355205214585805231667476628247361857511850413749687005483099894535439456147985740673477853915169167690154436383126055230200300758159204645305955495412854578049373062624305700510877470879254088395006395139640797241907348174443796593110006239676676964492512632870332599239196235938719675070690527968967418859096627889488892006215144052774299453873875769132170442044556085473453773688809438219583106632977353418472889265313704100533996767675681216879624188682117512491385723424093328076741557658566233504092463430751704332854028441292261365904205926417831477812222356982250655672445505796036165870492010720771988398383184635146756054912161916781443246792833203852082720276003066603162156393626631754025231645706252930064228349181347417798372238611902657746761905056902546815426479029255570809599624876137917038108619116232247397952835233932068167642500100659746933495917620797864529214684342286741631616630942392564441847428832403683653328281516350810535784860768201914346412320882097403040643741888076771787633075480447200212776460316954762582161214661876594736072625851315775006171963961339408644615011056802197249584123276527331906810301975051911450155091982465154831925852805598077307826315203677611511057132367811443978332528597870000712905708328181897208918331065958203614263586101315259678832783610304219933599470928828777486356956242457881014936361907153592781704045477115177880143793378923588843922184920193184254802056873167089017300346007485339234193076420774237816815113209080097241150220348688882982160939694454733208097457093279875784741949622406268444750857378054850259428240215816799860497030794972071455476571980000602907024179061574757472179812803732256894230613960824509304399857062063572439099536515257201179280007450283822504366135217433879470808367164425796861004859795732119217289945919224058231988391295806391853296827410407873016841626249234400622129056868088715745329616142661314247162738055474304783552457251847621136295753043147557020676220840697911696688201459789252693916299063112895349749694854795908031396421251
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 3,016-digit prime (316 intermediate primes).

Certified number3,016-digit prime
Certificatedownload
Certificate chainshow step 90 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009115537422 --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":1100000009115537422},"decimal":true,"detail":2}}'