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 #1100000009091972925 1,063 digits created 2026-08-18

Value

9585688579062167474423619549388870309612901663977487822303505517812326285903631862085756327304725552039273829028141398672424407545723908571878090303593682138789147049554646229873598520854932759251051994408725158667872924909293092701726319279821326244854006695389357803300931448377126141432315411318968426209760896077538894597661287521646527089294299025061836093790339445877148146681927313925963070064493983040210558707318598176821245925954976481148430212598123247004005165731761290881193141034028607360089025332899162947760093133966804843101052780599015151130325525794030892369054857928775292130267198865594072049674837408956883331148327596208406854127038094830507542215407418986430756786762387264322170885778252281127097672903044765283749100640776679814190013740069095852521788447934725872759696037089366073153234175378816906692331211417788635912980256588682906037585198841061711708786755385502410346252026600687309516368697735392503387839978217727556404347816864548716375184121175406384798975494219234859695534579447238849818104847153400558610597367168333878299
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,091-digit prime (169 intermediate primes).

Certified number2,091-digit prime
Certificatedownload
Certificate chainshow step 87 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091972925 --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":1100000009091972925},"decimal":true,"detail":2}}'