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 #1100000009040888656 1,265 digits created 2026-08-03

Value

61039387456648105883023323809367987577201467285161320134243601798786637448222866804026801978848185222966105368075024444827644367486456458146661142816013275466337620911082972650871026823700299345127373191185427623438378483189609116434045740427418861989072817678182643267339726602143368260916908429098579261183706325399585147510389888369925474718339235773650989137797449486416442325635217640489087114320108887906149756908934096070311438027477802961396093150259984060337440027655993396881873588209086266048082156211581541529420563116084477830365158352554636754953471100522006227028201203734389067723223905526696694433005055569382914740540931393949123670094618940592743021627890519481089996207149557968686267679641390411850398684744309892171255005589849980538741119920049683007581291981345460356406615285154995818177818832932042629535267051144895750850167457359938988416758388992427746601952793353564731728017957756855167236104482059778676838364536267795589366505639672807413672319651345524706102400943311203736616413873787793985655286721447445395320691148399867385980372212191228718546835454401591990549777535691881364359786971390945274238144562027341229008749887988418912255425303157858145977454321707819133613368530155708565768555511985511867049435579384330246003539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,285-digit prime (108 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 2 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040888656 --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":1100000009040888656},"decimal":true,"detail":2}}'