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 #1100000009047397084 789 digits created 2026-08-05

Value

120274008348116563799928710756645184799931411944351595909228595582330242559192590378438233972225288431025752207563038805943592533434253338462690836985123757742567857876764236353266567538540887850569924150829454781048761537040070123744329005952540850897576806027863682172094595941437566369925924780374367651019362191455904380022045140068712042888554849104195179491442243429364072221548586190865241383184103039731927613546559323901286363214827658656716683207770998837949350142252986297215630543444663047660045330343221531612541832357529270903448662421499376983831307487201742022278348629960470805710128093682431690619923515273404990812934481928021350117662566433969580646369708080455085606012241541859876553085975055742926602000131623199669717581209546115383703844249530619092742838311711023
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,455-digit prime (123 intermediate primes).

Certified number1,455-digit prime
Certificatedownload
Certificate chainshow step 56 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047397084 --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":1100000009047397084},"decimal":true,"detail":2}}'