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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 #1100000004921062851 1,943 digits created 2023-10-25

Value

66480409321920271617678404497923815029105582043467815605824910643304122029922756245624872581179815152600675840353047816340612350780239024775687007654187996117921227181740916072867427056347397176474241631679785218558886736833043327591557446123153169933761315237386102351437079346372410061500985759475482242610528249756615585644036719373260169196413953277566807122042657988574725267547259241159271432784737121387359254941592500364402944878360920917203622245626115240850442296051174511654803346504710757139046844328720729945516264466760494170276498525709154856574304876271709491538155391680111789256128580181094527582931663751278170745796015782529608218793454311004811535776068725864601298915154815928696285537431769756410840450202537603148488281265684421465408425456331537874551516181077117904393035050655501030609621835046465147714374739345040888186351995243657019321874792371433880759249803396158642273128040503531598179329620052063847260189657669231715538013986455042245082753011762548447477607146340857764190909678620048782336239212929177429360233061530806765856619961226315715166771497994366519315269624097400496488951973477309742547390597968754978861876677934331741153812421313012441437363707949900405289978183776310919014488058528339353357670961908737796342303205190639481958139640330445475831376549755885313981776919249939496518257392903063409451522413551069263210171770143539881307260886384656310155539704149025026210670535752494177931423608009686601525994242418397569037118553451215836472041018920691707481059536180050454155159735010555093630502292905641142404205925884714855135419707352642603892052941875665169612926036723505363247065987324455319490689796754175496429255764542669234793460864732755756003015091733423967643145116764417390578671002963474925003354315451068685848790900706042457935840180325944704705379038227836754497555373705337441603281722525300686076277099807250217780600952116518633356337861411017281304451749621777749
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,952-digit prime (147 intermediate primes).

Certified number1,952-digit prime
Certificatedownload
Certificate chainshow step 2 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004921062851 --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":1100000004921062851},"decimal":true,"detail":2}}'