factordbrpc · fdb
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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 #1100000009084210329 1,068 digits created 2026-08-14

Value

220163401229325048603947353749998228329009545736233142729633142850957958604208600491993342080248085014904794395909690710203660000797223510371621905352515277126305827253821545045591308340241981448689668957254690839241335818731319485153723599958712302553336208390252349489067912290411930682374830566623111070462446846020174546589523627733846274132282770264903677187106211998526454869567364265363447667201085430383259875326279605658979936415469358040855557507575567295975780246684702091354056324881455716672520837875221202975467316780721603751389908535203556134657057183677710748021289434075185928832209858767517705968464278911308467208173203826332707953834855946841514547820412566358484063528935919839192816048203351378348020462886015018437357116977508400262896392197846221589364012366563553961106602707148561794955588059074938679514877660793455540486672821968362170328889948374533702438370888994433173838658611430592977390892412682250636393931100581457452042324452193104323652051007499283525753779035213126252139355957307892189333558823071915409292133832593182690366341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 1,950-digit prime (154 intermediate primes).

Certified number1,950-digit prime
Certificatedownload
Certificate chainshow step 74 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084210329 --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":1100000009084210329},"decimal":true,"detail":2}}'