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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 #1100000009057769350 1,791 digits created 2026-08-08

Value

986859223675591974024607182814974488032436045918334279511226003089567869997241775345739214403342667169116815834140113767637074665044419518840446274564149451110558095386626379404501930828127511915539056737812404898987647097774352858483090471679567757581929792611501112065676541882424476112319314776692041029262300390348677757326931205648102482036893242488515265594462998305514223257172938125646274185022955741068215929449827228072286226361249870260821700884061803606593619435104041105527250289292208527821551451462840054291308159331350603953961148259827999149190904760456595846746590652560806180265473412467716389489804896987786400572217243748684615803592428837914720129486747536076985661550534803006606586175250567356266077581496573513293090436367518736717098404665360459880439817619574573761504144686810768023543982407725379688268705328549284024513607620168978352262726038571729733745990416963010962744571224453432081235097298378646657142668036268489290507100447950368288034322900992381520874710142772381464240353646324624694592395239729111554344444881977128039671998911243588531646619094748546299235572710156181033988954257235449889201318627513633354754725670482974543966025168569228962357761345640054289448886250270826211750129429414937527899414731923006890792409008995076902767148535228518867995620205671645244632916434890183274264837507829585360093487863537933415363363689116101762381155165414157313715823594224620617882486564172932080272555021917468738928009849415465198618747062579120298341168464097771830165576023248990670598952430777724133083590086728225355768285442471110878866311445093201402911795095209181712062442828912115558946458223453917366400745548412556476544147259146340921028299399512228172026217813373837573884654150521284901362046010392929635826233647833179271907195879
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,889-digit prime (198 intermediate primes).

Certified number2,889-digit prime
Certificatedownload
Certificate chainshow step 76 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057769350 --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":1100000009057769350},"decimal":true,"detail":2}}'