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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 #1100000009059040449 1,041 digits created 2026-08-09

Value

147739022106761918348626655483425715313062735258202906713518714060843620016979187349089513290627483732087248375811185133057689645712003485939204602528733695850634189862865105441661557143392865936661455407866906663420540285449612416642303829271107759570506687673861027899138098858679145132486193049918142369082941732866938255512515930234140130618428178905531729083332834188641001745797662096299306917491058270114648789572702592286293046123257024085139674339065648180483354693372889502328653863605058159097848929363985594046841309374035166794674977864631357332210944253812178624462989736649613161202800701244146734955524706222734276126498892083420797743183967266916114786385643327319327706711659160063112229508416838161798594503703532202413243269969759117203746908237257940788609440059327589810920718527660136878079697809298872647054396492741372997772339644343944496371815545496326123367629469516043648727398911575836126364472692834627100056808098112871719452108910718697048660882797926768166649402002250062358314644312796928827242407498072937
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 2,260-digit prime (173 intermediate primes).

Certified number2,260-digit prime
Certificatedownload
Certificate chainshow step 98 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059040449 --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":1100000009059040449},"decimal":true,"detail":2}}'