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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 #1100000008682860920 2,062 digits created 2026-03-13

Value

2076569209764781553094584519057129702139701697854375239867660434460938725761847171772793565917854723145476060178364429996594033569103422791575482196231110332575552659856913278232296121972975104431269823904403064708766496832511484632743956434477161423968602187939371105008254237979876471417527574766012599795357767487859878105326870349891064403943376067876645247582091219806695376292716970674578658625758669883749673489129616792818390086098525116565241230385854654536005152441132061130047900259662579770628525586961656288655989701268031860826258185457776000398038501056470657583452512776387145377874202220823136360632997488170412801803244492849945991391734602635287092394645335640163927812904738105677854174895409868269744851018965471791791453867821780280758950875147802057839729735631071706563388343567274510754940006648017390396032935382690497711129612898943993157084837381741676073546149610763490467063520105604871738683039599882523021257966604013074943506757179220218918357631089614205138041888413890720617688053119251356333178476588192794790150707993615631516630364108378694897135391226543505921255506237130772319679268051440460930056111643656701122280566817538700040612928883805786033795629418087735738781039512005450636493484370732156179454852265584628907998310499564091770528680222440883766124238119225490111426360308508355191048627638352725683297153961120156893796240523063909769684932909540211251497481335312610580639128970109957986301381401025718873998883142641793621570876917781018156857986907043031781263941822006082050259771267721082028087029114082300812308197265538874538677851277497067976086314917907058457238476650721512158859820174499705124884165541743475385063028289963109736321223778506222725666073552653086836097498355433322470616738144138887753352871382415238639308527922561093725656999231596531210547886761117497869326000268096013815123652061455573343581443679418371425550363240622428266204953522269298561589270578546371977219402662835610865779169085258460180449106264106449520231087321959841096742948098299110238781934889035024565259036907
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,949-digit prime (230 intermediate primes).

Certified number2,949-digit prime
Certificatedownload
Certificate chainshow step 72 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008682860920 --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":1100000008682860920},"decimal":true,"detail":2}}'