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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 #1100000009054111728 1,212 digits created 2026-08-07

Value

493526751622530847766680003065311714431681784611592117348993908282654062311332039489987017714746618667799634455232262382222394034367439053354956015791989791669249639785209837475334940438680428161065392879069715089071021756522731237872195522455570125223299493073490212315903531794294246403883732339912339393402494301797425685643711665142741042940464818385979431078047809214001251586270139920258128504536902254025368207984102264959109979323030089178944030294838897023955691845553882442842144407221590270046299297871013161163825618038996370858408510675981884439359733433768868291628862890213983516279186530209514817096894244673210583309830872068953715882573281244931692264390343076111169969841778006370525592179003751212689551049732771711659652348707160882084724561128393215653607992976629111678779898342511974504346541955275531461648476390775226625511221090381016389699022248725507621077924726200872428090958752864888593412007605487315357870535680303084013109796044076869300494780075898079901575530587878894418329277316072023190150038898452024714950673248208805858359571208044030602652604295583258318054986577134493635598469381489341624561168675088272339274407949664721870686536923233030484505932509139637750423779
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,306-digit prime (182 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 86 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054111728 --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":1100000009054111728},"decimal":true,"detail":2}}'