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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 #1100000009074554544 2,098 digits created 2026-08-11

Value

8041206492845374321411832400968261389974420714910440685274147347397980923077491194432301722561018358651985110719731243870320052661103747987633837761033062274538276795036053571781516424538958711537714844659752465442135037601398249740280784754199033263942810928953111208500202668022199946742006393059375578901924741213571326005729023084893802309079323984803220795328082286640777912073224978685145662682249834782863557244716513247053256014158634570470310861088754477956784131325641733705328235257901019447647378857752922269066872613042191928566082431373718094817933545457812182234892225824155089084579275621942757366139243795601438685034131493203827640706672729474809180904532385203215693103764172984524736588773216912182390099809109854667590806133395464614973278086105453732530107225168494282594051153305838844804035000712377604688321466284876773532161990271086016581892161578724107333389223234578122772893864078310975748694769612209107683693054314453647722859994080977141250617705018871198979467469716680212502177719430356220247963853142174106039709319647744636439128196750032705217400098714782591610988328895684820957392308156157760202726304619933963903833599935789786082886237687462847804921339334731054014907986153121234519662080263267918046549421131871266923077401744232250329073874774774715914767172861633418830392067253832767068771336609994971093202216421544716657956512298738602222562902027394190185414503542482802238056786920030816400951617222294731950619576658717698708962828903217855378619018268868826632899701964493233627634629425717276508734009521387800610418663168810217739743132152443686337343943961980646507254845167207907731225781347667224340257545074222004833475808830211556356708357861746136212147155825784399392048499854853909899627198489838165530636388858447105504766049230096469135701242828727723017420732655342759064791104381255660263256040015784039090914322454557323986535847350415334094122817576469470766525965670743892179040079419101965087988262903829019708558935186020328683399602135432373792652543968787402411193379706618320274966518385336033759816734706895193095050616841
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 2,126-digit prime (169 intermediate primes).

Certified number2,126-digit prime
Certificatedownload
Certificate chainshow step 4 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074554544 --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":1100000009074554544},"decimal":true,"detail":2}}'