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 #1100000008766977526 1,427 digits created 2026-04-21

Value

55293163840339606566968379573684732662049113075771023953296527091171119421335674604326227594701459537785700372699606859619897377373429046189793275106599457397032391216422935390861753102440731678404068380101033717243519828281568435548185768858861877086927694691716760976120764799773029512830081534591834850854443099790324350305197435563501134337123165031539322393949557306036889375410913382751805276299474371051182177198972931281994084560997630237419982592905847603016442283518513882793198045405726777803300878425764750050151086496414994328421258213030796539561633696768797886762876499845431081249259272807331439143664920217923320463802100996704516787302005342787593530082866341250557541612839780433038137986464682718422834382688586921991606966621732760734152091766001656801063432502947312543219407242906728369889079403347128551064469023468574895355302014002614914907280104144292013752473966937559795502471524635401563096617031463808617557973040613280235893385149006957956144370112606625594536581990395560305595479078047757001963136263846748506001935459066309746691415173567486536784611765142352524030456261360540753862412193382769119963705543559230887806427207489781009104195285202248384410913296933832259500440970144485964922093836754332914654735905815889663667337147161572361663726723714551841475675350000221370653088946561718753173091463842515121291769416584338866058023459028249881049271659867948789157313054291537190268621
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 115 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 115 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977526 --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":1100000008766977526},"decimal":true,"detail":2}}'