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 #1100000009044156220 669 digits created 2026-08-04

Value

312868387057791391679049700944462578331848141458441671138284813355683703497406093584132632165585153057542379619781509970578263496142315375584944504326694154167677608872734613811767423939865683975824854223949431105338744464395867107870413860810056129990142209090203449241305615809333779916928791561208744443545284553285644609451387899307369293778359784735565501612382716516279906327305421309233260111364775694448136753558074294498582604392272794207264042077775438751511307077527289681582863154175157483992585823832799324020164880262430556832290225134405067957346084418532981687760064318871679811304438023649883941361718768281325482066554818764871841409734410314063069959
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 1,385-digit prime (111 intermediate primes).

Certified number1,385-digit prime
Certificatedownload
Certificate chainshow step 60 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044156220 --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":1100000009044156220},"decimal":true,"detail":2}}'