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 #1100000009036819761 780 digits created 2026-08-02

Value

309601148093168396988757893912272449636425354259355072178909532862049542265678683382471166789807993600395458715737547153474172089012327635201970267143602674877220170148788030565618471121179328497924873401245057323831698040678522459817956417624804432469390582802132679167450220694882981877173939939157170552056610118509452566778125571553616868341943946566894151727642208110853451732024952940627675128336098832625797189707730703098084252240435726665819516746849864537648982056840847780870847295395703782724714945010703157845568171144277646261789527773638420167405947703056367313925218942715927418561005762538213999319498993914642165244137748756754944219521424508988297119606301078962408657596048758686113660042743181770520475776853951120682044536451319078071622132092887569161312839
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,238-digit prime (97 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 38 of 97

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036819761 --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":1100000009036819761},"decimal":true,"detail":2}}'