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 #1100000009055781621 1,600 digits created 2026-08-08

Value

7113910634410909932689603854403428717711958728079542076982041733724584386537827689852441293260847427736340774177394962294376703055161242292275713848571595373248143657508588984573967913498695553755903426694805494182941063575923988063476416638517957205759674124290072635363354978691673590537976067471070769462503365096100298702786249260006532510976449588026780330205002156196549461195499713364195901951416981104137870278927134993875317018377137355120604908152278530779281805618756103436416691528634947560416682314084622635336480855719886830515885025599833546092050662342480501770744753911356142108929287532609096643473688863033851418844955885043811054898572169773939022332093368427273804354125481599539487599623058592741393772956852460930775627074507269141256713406108498282735518715486714313334444313482334913141499534503744023319463383202148054272671179787357104587347845255358871852360482501622712786935255798059087364778367070200152751379296306723192649688020235249899387402047959888153926374524525338425169637688768264858346948284934334815833989814453292384634014264316326516801631035117021655530243207440771179757334249041906215122092515621323773487401401574130283652091407610482795337115796987924208502200152836167164232971233216192732340666179522630899086649313492084006533709328024175209588549944309905180597863391646917229082177512292297883122683712627163413954607247983856485140841966705534302626333872993363516285265468387953563007944301639907359298069954292092676274435158231571410209006835477174169165298538163187910533139252895035474369976044748987081234975806123896825930756049605035621
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,321-digit prime (178 intermediate primes).

Certified number2,321-digit prime
Certificatedownload
Certificate chainshow step 58 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055781621 --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":1100000009055781621},"decimal":true,"detail":2}}'