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 #1100000009069318554 623 digits created 2026-08-10

Value

28688478381864482665340184376435412993812786353328973781185147884139760130545573132409869499301440047841763247304483422405967034033458426813790028326720961204902092961412297963481197022022875591151784785604459653514894694955055554960486154504623868059001441924999398296237225485674317024915486011437036545545694786042903981260807608612012832627382510732599850397194270122546702453639849106898350408477356633394310370964884335066139246948976314519179565217551731303239668862662591197141114571151604310566839834401358061551894170874452636212329928233387361913653783009182245066904145989211038629039917850917040510509518902047
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 1,756-digit prime (143 intermediate primes).

Certified number1,756-digit prime
Certificatedownload
Certificate chainshow step 99 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069318554 --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":1100000009069318554},"decimal":true,"detail":2}}'