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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 #1100000009055122274 2,288 digits created 2026-08-08

Value

37703585771535555369501525275271792545687032566432922589837479978620676842613483958041058431586910465407756547593448508874601616177400229466238019456631063670718860131897610980286189867967698481712544593876090430464186936157642226613304576217130252552893263634215059737410136084208094084735075533752254494857867075873869482305088439081806126765715300891406532977489520670111678729864767992703504022275235507468624953244434771905009957441315606122083121599150056032030132786582014898878726979110362386620624729321298394595598391360828270823319341199146143439847134376149853274636339508000751726383741482214138490519032212429516886929653124650197818015260937787656543981708676086745962106927295584480179664645459482678612527597269339884686430234478983666436934804951259779859757216102979360520284763447741913911769907155071413213859908042992577579642840883532288753811615892170465106392499420367941726787061935831192811389155355518541994798918659561967484758285014656680013299105268632754034732021859335614990002980852054045717687608013074176818755373368076126815071607784532056998714377275079736941963227606214161284145357971687467865134584710613350956974176212084696508182709731374166880390517428658947597079521922228804436652517067746215677297187930580799066620334741078862731014937408949090065588491710166215052358291203316380418114158970861296102884899092189460835548241900272167778267025159576911981499211308170423285924857253584697760202851348278821601941793347652455479809253572606691326128426230388078990112076163305173808155999064354590034741067097351464396001672716214937762701950131680880488505304499898917321033005339322552094639264535837281521093032598626615338664088456613079608599533663579494667108474762369976868764248873096093692249546016938482299580752042550681443220710069575966918524146282339640190238872843189273682224027633674854570362968884014559539921707416895684546455396187918462705432814450705345109573708630218757272622243065089766191560046569900720214586911412867791692769113989255003168435136794292864090572322076601771949798454534119815381267513719802333407256032009544627271852795080743471185988495301628032880146585428433991249661493909811388679672412966380565851148617686765108990839150805603138302954850475540538723628011206017559732524295106580159961191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 12 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055122274 --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":1100000009055122274},"decimal":true,"detail":2}}'