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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 #1100000009051206454 1,290 digits created 2026-08-06

Value

934485306642521725489648099613107370849683289342265921089200843785638863987747026488127931662195031349894797878805759937287274866048350834718059006305968059902292472988650813603981431243881782662441629460498589864576555875015137633026593304478956385025136398768679296402864993520728507317990133047915065727487192932989997797393965961727692113844170354332303282328411598171642658916978226703383113563483264461678509859620357424464108494432205691844960131896043837893339850195300384584851349062687151548241161932090228415137633180713399737280143916048844683333884369149460724216423914816916761914593144420057219045173483865361016246974040605744384839100369975038606313848808006008575049519433907956262283796482619199881630033861605500123703933627982552500418067137164329169094441943496603121615370839871198622324932974554691788498477256221678571395707592817960805004694723828087137970225505925216292366719608492314206745436260389957116244070428819147160379484625134309207928465069408326989408621369032590629454643744848917901709136676300634780575188802054388059168816181399638374027375831576794774710821254505325135308276318336103104739876336344233537471133750461262330362055618387105547730799989085914157534571191994980665338269047847710792494086916971180285264403132318856013687333502555643
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,556-digit prime (132 intermediate primes).

Certified number1,556-digit prime
Certificatedownload
Certificate chainshow step 23 of 132

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051206454 --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":1100000009051206454},"decimal":true,"detail":2}}'