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 #1100000009078003835 589 digits created 2026-08-12

Value

1780277517194558754657561283265836180549546204563680801154562622822637202719652841199058876007101910226609789638243198984467589439972699542994946838577262202574723471841593047707126939816240250234229064673868476119990416560155684630785169673615609798865698398042262952344816413918364515533605202499786523735907916056015884997692705876908130043621479229679583766431074193839462813904218994324808180237346082348362117418977600124688269777748158219831664305498154433977457185462199442905803065046483340973082327966386321557216663259298112355900437515724214797942154246268027490450903204703447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 132 of the certificate chain of a 2,145-digit prime (171 intermediate primes).

Certified number2,145-digit prime
Certificatedownload
Certificate chainshow step 132 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078003835 --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":1100000009078003835},"decimal":true,"detail":2}}'