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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 #1100000009041783063 1,211 digits created 2026-08-03

Value

10448861572510972727233813109150982384501364442896627400159893646410558535754096940153458965563814234230404086664664637638316887952426268310490268732748196008227945184748204839237612011877106036562434069961153304594676461158316801098372812868498202734264415052021569815901945134071952491051223126579683845133268914373136240520911264592018305069278147203923156394365219376149061937272872568353248954690871418838433390341471182547081121149163438268346926026227648488288973435174059625880172498122632787470460420321567221930448847055449262999536948119995225800321365349553609169977574953687065779426690816392685989967458611262596882951605256863659311071418159150912903505995118886582787902720008400423357258175158960287402533052512901770636870395346560378766288755136417713829769787122242531486654047675552021792992448249088794672482512024757541730080925611703980192925927113843906093331117982818103963992001784603989658358299342061301755119080091171168464925083944432749706243559900333179186872793753229317087267887182220732860517033643838310047164791243793732037713577114447773886218012835334359538368302974927628789836825200034560632815645307796982250113583020935597574697543204143157047050417001579968235600171
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,301-digit prime (99 intermediate primes).

Certified number1,301-digit prime
Certificatedownload
Certificate chainshow step 7 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041783063 --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":1100000009041783063},"decimal":true,"detail":2}}'