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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 #1100000009069115601 1,842 digits created 2026-08-10

Value

290876847784743265506028330689957015580912213373949927726307622654278324355202182205083025001299302277098138830548747513606090805035721566587314845199061023394826983593905355552785707960035007546606182769433674242512859197867808510635506284349341244924408845417788260667076078415683935100894326280367549164407857056718338911275193781573475092930184651975872144893038527658601464008553787913132670489372277496562394378816697326848309859030985439101817249380001948785070078236082355735867881993606544975605188601998869411551617844953839536285463372103128918361854807210618012321868517846279266146404498997529406448254891297898422788386460036701328813634521015493202456000552528883755906997125515833987370062780073716718500793066646469502667350392045411466633542182164899384208654436752102487708889295716885979482877983949947219334043675695023707306728986970626483646055880997346667989913815203607725491049103157346914803203300561496232148189984382042909292454588249015956805365354614153751198701183786482751731993603337527607379040075299653822549823819339500303813505262792006683292693603013423801172805479803988051353520114735937926953486516121717385195511356472229185823836840645431107120580488615934934568634155771584006518093209816544466500387865552086315683736926939995546854419464090860514145510752747264833883784053358844267584687782705105546208158893300324902943616325007690948283375110617514856569325665451430232426287731297501308178498360873480814996800396294618287610735365174177744906209150836234018329485757271194257168283038559533558036655554495279984792433799187161104386376315688652201790461966110616689214232613859409078684380120043743917700716269366831136864435814045418783629370369233230690213131901535651380377267052864957585678122689345403524517629696935229955693991152793079342264297799843134663183603059766254108007996543
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 12 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069115601 --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":1100000009069115601},"decimal":true,"detail":2}}'