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 #1100000009047329872 505 digits created 2026-08-05

Value

7954039745505407322456262433512115742000760542081891660921481832291069835153852039904461148261644247642230291826297165882290870274733090360160173656095573323089647808835901999385095706167905095640612059668867887046688967806130601616871094474822543320866519534131669995851464912565534068945597492665575202512491446344525348608324332043381551744771070640074945718523889226155211260391943307961385421251975072827502540491552212627497316895507811618072457031272929527399223565220798085227219292830047670956547
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 1,453-digit prime (111 intermediate primes).

Certified number1,453-digit prime
Certificatedownload
Certificate chainshow step 74 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047329872 --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":1100000009047329872},"decimal":true,"detail":2}}'