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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 #1100000009092178081 1,312 digits created 2026-08-18

Value

7855106304855463769125565652050564619738461797367968347436390051328188662609101327147390784375981352228122045689324546093478744496714480762067124597177329004786599721532675618134985261969694886300440747767264540027093663000034431110143137040783892785788518949649369071088057204973297966344732532795584160259574668688044611441409781421333043606022275531375201495381064289782707874003326926796524700844840143796129911263134533908347946919943516878246130593819768441661111018398965984202306450676314208654757072456814294065691800142830427864356465889862052130257903142591247354491101482004846265384878647303774237047677664084257441353257061297449701149269224856623478545622923798990340961415163161372425191336804085562388992377510756119458268135855331363593406569778610396646617576626848537188722393538619382744139704790114258747267733299000123769989207474812522969185562512531622135298227687002008400230348449844281519922169921333992220200467067017045121342546274653792591715894627629437986912189063146938728602691353034299018647928562287125651110371428754184961732268670775461562087131793170731434764135434476571368504478742217235585767405194669692386113605050733198782063568137881425850363083376258892143869095287789317223442193314151995919454071168346198611883789249094628951223240745949229575348491566628851619
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,097-digit prime (164 intermediate primes).

Certified number2,097-digit prime
Certificatedownload
Certificate chainshow step 65 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009092178081 --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":1100000009092178081},"decimal":true,"detail":2}}'