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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 #1100000009019512188 986 digits created 2026-07-29

Value

52101039833550745331718265536635379982975084869768439381995607227353716583078769861072967770385667529256107517332160854315777710715568718960658096288180035673629133407128443824637006164436243868592952626657347914769747395949475003534406688936093536530239041463267792930484271779493122908821646898085542697146690170784827684395434108356523180203003665695033657273266601082611731545828455470849817520065901254995806531151469094096253331852570493685406260213497264449507767872997515188260385944247947456180753842121577578037190210212852036722111366798747400062625782787289263865300491606073226842798665386599179484455305675123174047404945287270283489263587638169761817627785465563059930309312192074920163491515540550876929746683662291194303999833704236046436056941590730520834829190194416255165378058710731564440484362913486509120386624710657771229087788070909954189340456985066950057371792782690250979540305140006272437807705925327889863262353322792684085757430268304958607630297873234443
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,105-digit prime (98 intermediate primes).

Certified number1,105-digit prime
Certificatedownload
Certificate chainshow step 14 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019512188 --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":1100000009019512188},"decimal":true,"detail":2}}'