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 #1100000009042340878 579 digits created 2026-08-03

Value

143928499187211181923564853841955444080551450498719936932075922289126074932185205516009807221000873027680358846835181874643015233357894818927825316795143236779781464658127815423394633277403694912110451919264502139129153907132728892165566206606783688570969281006571346532548946870122529176338204265341692110025424866285794034668950753280777760076885053321838760625816309720518505719753508497666199812428040818690604848197395421369415514904561271638715036282359345474595420334276942883222422835119708036690512208068398942500481493781030042027682660989194521021420272451335469969279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 70 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340878 --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":1100000009042340878},"decimal":true,"detail":2}}'