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 #1100000008674995093 848 digits created 2026-03-09

Value

40889628326155250193211220958628235932286322714959876335402328134611328271693024628508069878838236553663446899932037011135336966290207399695245803038405642352901505881899752222837696297651477707937881564020939956926843991176645697648570427841015303001411019867253793514253878038467120562798370234814393940493267799732114859301521778238185113641611877187517823097441025256408207992205064042173702891814563362829845264033369584243442366490571043591451214516705190299195492953032358265205715888815650344150121586774270909661877380647377697928520277576694287813304177462145823697157239301554114411500466486675299294599477834857535054797395031094345838255964433180547804522562172522136252621010913570233871511606331668310250622250566995522757283176690211272110087061621374730486582898097232577045056151872558892301093576456058916745191239811026826785541
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 127 of the certificate chain of a 2,906-digit prime (166 intermediate primes).

Certified number2,906-digit prime
Certificatedownload
Certificate chainshow step 127 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674995093 --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":1100000008674995093},"decimal":true,"detail":2}}'