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 #1100000009042288127 549 digits created 2026-08-03

Value

724892207487727107941162722173211757776499493880191067278614119870152843397994258655384155226037748293822901892537577399754580441496432547121202345650688870613050928326946766826540655711843485618022047138389864102944260082380620243839335400777446644918528627710232053092875123129734453321966103015837637586489113070152553914925505721925301812404340748502703272516710078978373450187942649143110203041192990642253473696610582278633939621251960923347030839787996917798965605892638575874235859172759519181371557942031375883813306040313464592004529632869
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 75 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042288127 --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":1100000009042288127},"decimal":true,"detail":2}}'