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 #1100000009079924568 667 digits created 2026-08-12

Value

2121055650338749228145674188122665101193348082770848216962077566032214243558138571950353161775761231863043255243852206731622541253810184957828920755448507505532105510285859650921371001007041593159076337231859477565763670011703150525325941664416837747752223565451307371871729030788612739976988559290453361685302896579589475762282716476551464140188045893830125350176969720874851515106422306787144125029253543335425387505442413598688140119727372789606535906304379375845975852506570052070756923768204986085218416004569357405355414366056865878392656085852162792146272524397328153868311283181126037862838589257252610952803694147282315746345817277291978906061342545705388363
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 1,859-digit prime (150 intermediate primes).

Certified number1,859-digit prime
Certificatedownload
Certificate chainshow step 100 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079924568 --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":1100000009079924568},"decimal":true,"detail":2}}'