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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 #1100000009091077452 1,643 digits created 2026-08-17

Value

77783596659225976675301732590539801783057652021504289234573618281137635440658017299648781918412213078185838133867130600923361442161960521482919814793942620181869338485037936349274754797186800982372329181039685619334481246496706802840753913298350522091017359761158330608828570505342355883268539110009192017330157313262613267940274773687516727336538438251005587802638629779687573953144845021716514630359196512885588052974581581484703891655040467752550011202643289970060588490113592915242289075287017994149105317270231291736796063084052755857180686746264467723038178714796662651635306062498346325258339758559151072114922173439707479414898467304197731001874621261362837232979617447487051122126878438514285563985662021001387213565426883306695667065984098711876157017992455864088960687656003351897784905300790667117256899876654444245150463894720121280340586312376829345629818948573324510667782907536291442815820103545379358802251055497851135286016459170046625020619731678413272518311768008843664899244508431413595652101872931291618955889565930664661441750710661401446926733849356438926697285080515584786065566843233992853662969491229427768331800459538569355137036848747416009147097118624798132793380150511651276563848857434384755154260857217816994411211546738362020281599944569727762833826504973052385451881460856663525688278590468265637369934668142024419293582082519602067184713256609335438357885269888806355190034114163031150499090441892149698486583605805399776812990746659685524017852843940201687030622624322035196693150374945662466768157506131464373315340759712970616736206850321814956962974005127697791764083908965937661067941742754428177964713
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,084-digit prime (166 intermediate primes).

Certified number2,084-digit prime
Certificatedownload
Certificate chainshow step 44 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091077452 --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":1100000009091077452},"decimal":true,"detail":2}}'