factordbrpc · fdb
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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 #1100000009053480822 1,972 digits created 2026-08-07

Value

2878903998125521962136772655711755656392057225581285437988517213722206650858536347882120710279203392846321489067053392493841176346682971041245670999087688383604578547148974626657761164898735409809339358058136606005331835246962698003900973543824363175046218025625759196987338718193135826288203626795242345845303117344755720586911359404828599257530127378848910356418603815549542070473121112898415761989243262787081172583746798990534038699470323932309672357214908509496760581919671150516993447489799439937375351463554999353070919952236714425801268716603126406929100777105152202662793020587156134835862347830121921284142696461488224952098364694911595245443319178505492620735960309303078148347775559958772253173389904306879926298744961947034501093430032701900134145426901129346883800319767823133463468444892880998713695228183545069146154249795820433430405043792079234182709431552158727544507065904152071952847237194195991714610895868645644578933783961464962407776422795504656279030182553583763254202344297632922544469205311024664894984309896241470527690932647306079688341312963773915063989440830884687839349919790759931961548792408479595517501666342829558798243353807465581845377625760952252428373736324751585568280165028428352030847455599718230103247691059489407951042679762553311620542706629357294073308678334174794886258192649760977505830318883137022310437431240479875940103191199880635456654869194311038825961610902066398365306427021559156657888500277323168714343465703703897022961370779896386839758949497543171867164046263867967073379831428246602456220822098170473004314226592892630205670495933475933251908631423031471424003460021471543871181827109441080212889656690017556379441542250626063861852263577586956475346138236585794494646025209607584906952376706290890682321773685851958540150946085664554832437499354652390421771277575615353339083995358727072629678281572113913702183328193263006547509252089622296786798565845237103000120846993849601372824731985489634093894355149
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 28 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053480822 --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":1100000009053480822},"decimal":true,"detail":2}}'