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 #1100000009042288099 597 digits created 2026-08-03

Value

125306668292273134902292064114774188023889713603567469712258398314981932142734744641268002349259692194668427723363526279659037119442259168527479536523064959892124195687749303182730641193828278190076499164865608205081784949975036130607148923588243633458526018679166807051687290235254802088671467126547613592569832899325352940250214968167606391561923202261987563254986863121147864788643109766525278291578084065651582264006880857854740236829439039458075010026905809300646247106423429152828266156365266291932024834630295434443126104308452695805003522355777062661504814757404738342760309455834115311359
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 70 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042288099 --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":1100000009042288099},"decimal":true,"detail":2}}'