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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 #1100000009036772047 2,272 digits created 2026-08-02

Value

6506520776578528409531121071688200841705979406060593427810317526457538523015738814534893526838114030946773057178906294192576031353372012700511434232170328179627090349858366497119503097170337166186087105219468066402002415030905757533902582766425677022048415987240272034994362963331479086422800447196334138147125909194945980564528523611479968495940903556699332802415829856263920373604138238330105592554500548215966932501591721724481518610931968070948771534846454969955890502352940917905561154905393764416006988526634151990726368611719121163573056434882021114583800345453932039378979952096229282305385747727604677505224792720703503036928452997576319813682538503326041689192934357151614691625694290028289306523484867408882250844381816513818187764699332826760414067532397801188241828711452848351208648501671276432233655000243544921933664584740312203153525800431560363755562397890379674579669421767710552653108181495219003367567881979131507496983957479898106975257319324001507112775531812952273359938131918393541413915185241670911819034791294011580982094139313790944958826772568444988263456837165476197712125866880152141607945825126608700324593406689435250621832339348927766961338865085328911988353520083504949889359215780523513095862693524579346809827491507843054566430173825316557528655818559525624296737314414455654709617394343847890003235486218118281687459353644086574529008964657178300248460066076068092226623188183395932309466107337933922256209494820844403203998128059680414672999751506894278015763652107661008988482386601153546345180305388977732295579619782241619114889424491195032762925210029689619301077861435313837514434764702141719588839424284786808010614666879982691061809515961965721576690859397781213448470247699970661555716122597537363083287302763985949964628960131933751442422617148956323434638230032125880307995690365858521401087461249819189334588098808080766429354544363755961166844869213200544604624227162084780490310308137841223200545079325582864872326766942641352768899677294624661455321101158610438290231498041178490209044623444808358758827762771488485109164744127936191934001877739678980919240844124256201400369629050699269354530193353784563269746232372678231852764808646503559604431432420734540048940875244726266150441249741220487839365316756212436394303
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 2,796-digit prime (201 intermediate primes).

Certified number2,796-digit prime
Certificatedownload
Certificate chainshow step 39 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036772047 --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":1100000009036772047},"decimal":true,"detail":2}}'