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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 #1100000009059674331 1,248 digits created 2026-08-09

Value

193791454169507964267804171481435793857386034250215025880890289551765784651929512914992967893396893983194653502701531932118645886535203295934833513002261586342822834384908851183596756142170844087852487183033881585837422823774699497962743653247133532806956456361537366884854653045801113867513990766856533800971955834909393832149937377507556228507469341933395174444359486153473281127636911437504225238056814076668375827776211475153688123190656425609061438238058759666255503627760924689036860206216406299293737933232414536094804459478547277394035923157717934543544759448775987028533064195002290100295837365537922766298705368089767574146786556259526861053117039302088366926366816885970645388701124756085985961530335467099642796331001864936417937317366685729970485160031385757993267543976891519682061384867186732583436948257851521130844375412333687178056502063035208510080417073323423819491058342268972173927494299046790166926866111408450185159923660233207732381993382227692628431407506558690284741017248876879965834829140448383003089327490029988557254018065260982607452417697391660804772636083798359592540505398232317089634604447859415369022788503104183856627690941141287129602092358949734898135400162972273056800717988108714865478764836710568071534117
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 2,555-digit prime (187 intermediate primes).

Certified number2,555-digit prime
Certificatedownload
Certificate chainshow step 99 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059674331 --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":1100000009059674331},"decimal":true,"detail":2}}'