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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 #1100000008270920872 1,696 digits created 2025-06-06

Value

7958583096531650398069771074750051976812037462322758183695916587099814871566098685897507410805914490030916986503642418982338245872543277649320611425815325878810383097767628546960583075861361621608814543823362936991113741300005818436031848407063737005489969008780828599521698610528743161827572527440674728905880328694425618173128191003228148309041542529069461054748730482860706748654157424963470250588241831492213058261694645147447310175608835122409865921388209755583977579776447325887941410268430929980468243636241653745089314230926954304243073710308640114237767534519164792191779859206109517815751825283074594954712976066593584697100285360784859005904744008340763336916141314381863088970545127881958054245481552092068858966746708274957028960371517982607166420947806575397591437339111382686014849667765821102772853813280175358480146059304077623862937825050851715525831659859771707389168921160603009367118964681884699248679336340891110818577613459151956752488813017868611081060160393434391030136065005297392620783481472182190003147910572186142733576388825114944661533922943365588744372248472572891328901538030331418486876406576334395215150689823998598663089984949823968403867014903096440739332225187116581376601978545850920404627002976402473654196345993932114008049219547342898563935731785365756555824783774362071735775480424961569179379684130915976250610464328821461582433806691016435783098167764876163339671103399947158791287324818339775815778884286713190757343855187739440529706733763413434436651892978140241756175617700342420474130045924853868591021081773814341482138422992816720934446487278441692176559901069381650607931932724092785977438528421014606234580286071461530242152518436971004506241
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 67 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920872 --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":1100000008270920872},"decimal":true,"detail":2}}'