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 #1100000009043400746 797 digits created 2026-08-03

Value

39885216783568680708556427414195860647936657793754560528343240029238761447778722181656683064350149440137550164094489972035311414074560976172667524169178165921831073484178808146677605674271062583941985731098195924718616878647059107322376028821234256403844428041005838457475254093308219433430069715678735511738459733968117371715265105152792713048316172883559214106170736640330403794632427392258398192717647160048364110377999650616448883924721878017771330485664405142823184986707348868191189409917320046414343250897288821543753631213602464634976769339488013409618971675723640422177510251135942366387471633793099873858342646508340110628979978579937559134696196142146057363814025939937841611682909243900280193998711294550476076759663456506763883067923355414199269127249411042133359645548667890392764049
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,359-digit prime (108 intermediate primes).

Certified number1,359-digit prime
Certificatedownload
Certificate chainshow step 50 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043400746 --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":1100000009043400746},"decimal":true,"detail":2}}'