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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 #1100000009080351652 1,682 digits created 2026-08-13

Value

43202469893799917605326676403329681645852671492454089597338186032973881203160901528730047928477321082709573876403433733332146185263634780329316896748338170376954678582462867022752221208921533737152092874906941154587131827142904008918735555798800639571877490232885013567495724868096336464619238855127942853074350088180005973980122097952014500822397456155694386925780094375820694567757832006374221718156721600158664722502325468524807380826082097302601023953573790255604044177006028330717814906185318871393561947290356485320779569890839211601652750964716993235576377826122087415514747438679293643321696203925966833475194800322538585844525112048851889785177632080544488212960168714371233065949922945731986367713974445527321507448942595329762195877122574277380629956520629606366294657097218155427689352218628860701268180259239925434817355272132917093355204817195852074181242300589742531162437493962101077347500952664547435661415776443184827779171622003825144427165668537818094411561500993838555438199250602591688682454845916585744587274534924313274223635579575838437678152529158370345283363575847458983023157055080271752421344382007429309100098071684024514476225031210284784653405131360106298650601497052714985653552977225271495844542890080924866492017613263632431966904581759704222975535297460953172405793688113149458130082582489991217235497505998500380528529197274100722122251351212105305292219783499359379857554720010891777160098337624495062184732852279853873617724292431977911729495719030448267773544879075588128377865148185014624728798864762621996690970063659731706861444865609203461155739671495960442747483757926341109247819877907907469251018483047302685638531761280278286119918867
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,870-digit prime (147 intermediate primes).

Certified number1,870-digit prime
Certificatedownload
Certificate chainshow step 15 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080351652 --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":1100000009080351652},"decimal":true,"detail":2}}'