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 #1100000009077731020 1,172 digits created 2026-08-12

Value

27240397372811042580063349424126278322886542568518772596176822251467592394616252513038995944470098930044378058765962259729554635300485282575484029948239742528148359374232681083305542752972845676764940150250503598058386378203375591983719691780001288051716058187345358784459591755304777772287717061682752573333156444874625049324123991558011930430257841775923011911262448061089048956247162210025269784179813555528625528461976095825429292162921514275162866766311486622251187233294108324381632046225876228704234928945771251540848768066326821604815686298913339110369668341390398630436394873226504252296051930253917535385921294677926691848210385245544762732917063976956063894803127150986859616798583403576824471398418788707028513664932598903886547965777085860612809652208127284937581199980001644466895209827712800682472758067936887580786978221125058437624318479977316052212373111578376079643097293316620878320385567658744793640222681503217918414897165178738990646980824533456098223028277621953032850040148508582704317638924469414168435012453392895908988671130203757329966019317453546006425124178716985793184654992028326905974152944540847330195002059367921122892611116083689751849
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,143-digit prime (163 intermediate primes).

Certified number2,143-digit prime
Certificatedownload
Certificate chainshow step 82 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077731020 --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":1100000009077731020},"decimal":true,"detail":2}}'