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 #1100000009053517435 643 digits created 2026-08-07

Value

1867064378187765268827756882142244420747220964967203040358648530892076865992138439909192416996881337132938831201152079879768680756665921294122877895776582866582995146514840159690131946307940205278927064292875697578153852176302081969159859769777765369403903624352611920658412445221499078909094193091910953511788413366130494179056712984419476172752974557174333690755861203714292575812213149660304276946356172846891016431070933347533153735898866685548032323329676590084335738041913988143754010161768238285307717314844054348729710253121592896149287441206305112362653878177821212921326594051316289814850292502720134137561083872957315696390066698851
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 1,604-digit prime (121 intermediate primes).

Certified number1,604-digit prime
Certificatedownload
Certificate chainshow step 77 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053517435 --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":1100000009053517435},"decimal":true,"detail":2}}'