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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 #1100000009058005688 1,195 digits created 2026-08-08

Value

2968327468597065540878700662759618006489468111485598418150413974130160010994517951148695234465697896191772707179739617878840770126561789694718678051602811457649181134411601762349739260111602190444129528121792807686679474762286713223742322056907259127274179862043681640299869022421803082414708833011223518215159688723971223372712141592434110902753816411887566347152280096237101826155915556503822528080730699596608462232962276130092685620965926234869825962525108190354844854776908045521081334625639803569153884888155058226677608791257579711111471214749841076385311120419353236561707759218536788436901309648864507097032563043065493351166376764138564569421879757042090828947190808857775095119608761725429422869333015192427222100146271550828669695269911714046539008309738746005481247387922603417198334660863290340450107595024829888049394131851111210250846639674227721093454435614180264035402389540283111510412739745770587774700445469810658088777710212925772200993048761343485713411612953828572994406281610258860966999594833559853121555376479448894992177897382072086294329757030698431826571221497684355631490368724158968743381560713652185655695976605365683570965231996337740262670376817862227088018773
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 84 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058005688 --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":1100000009058005688},"decimal":true,"detail":2}}'