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 #1100000009078768349 1,046 digits created 2026-08-12

Value

50921630353524033150796520539825441865957567174055742731630046453806178015910114860528622063801129200188607098322942073221693654404243820135576241973146602924116155698748577641031179960351805623760970293644991343713198470810757120751597262541155537877248444239796127907725379696919738305509107651988916746178176028439809556295263691579872610927967572044779458517466479604416748447298175833187052298618083696333979896580809099827899283410962167894803336369872248537102220875953302210733030759198966499283681512248577468693012799950193602889969827079899459536490540443248655603929601097531173989900258706079564155170608817912589428389217610500177824619234261060838252024790646316158340023646433222690767033706707815882219464341789929591625996287635746743649368665849197258148908301869564705527738946230370189011808919285317762855300644669770249629322897010607015979307244891726521719733234724663268659494573289980200128900687996336735262481279580963820286344278892103352257434469112858491282848297122482272017142509109117232605638429387856765970063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,153-digit prime (152 intermediate primes).

Certified number2,153-digit prime
Certificatedownload
Certificate chainshow step 81 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078768349 --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":1100000009078768349},"decimal":true,"detail":2}}'