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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 #1100000008674994804 2,087 digits created 2026-03-09

Value

13492199729768602479662094095007621603782877062721659688371374278614636797221474264860923390171260277873769299926940130388250140048031708332142705684329577028036269103380536318230276807891839184800271085539807634277839145213759411410544944392009483327468248963523631324363774682169966647332123281890465775604729587225355990126273918189217848858033706981730371963398227045105593435633854415811606345010535477304947571030149981579908068442911117006645207615645948068878899869167882666076205094135184042759344352726080948768308649423267979233382835039296721282945498089933580110626628973692001524430142426555682088961158107175189408603404112757569816958288983816829008166813479832914071256569209561398693528138680615698731762315239442790414776966436783616403679264444297017568713680499422112625064195644012622619122361093692366817567873368805308878479133215079658295708943245978529666136078696809233239447926168300068703099763799947639150995750683616548093182287407173304696928921179779793224389446184483729735012354008759055788661329729722642108250688861422476625601669279077041689015646466130965818279419617575042942246226372306089569745706298211958625249390488423501468507723153657642541871608989453567008064693753417695829419375359601890776119213634261705867148433694575824101259352709420782290901110569022418373301838469289108332391641470326626616455835103864516347312717048465686283991277293389025079362859348996931724332521107667487409203598879535433758543940619572095556793737913362090815351148574017384801469429202823572134044829156758533811014463278534117909787722585469607436169417795561199869201266941150243994554932960244158740243777639388889453854402097366084976604246246864339183801371824025206778616810327719322892382362894986932655711545655443158968511633870527471590964115309699492695656331591177687022050197370094748740947773443726710923846704453313116170284770789599739004339154267388961752098864660714078599196236618963760741515525939241001772072959894627685322366747057154034242865863022278082820831056446884241378832249949785306130436955735856643072303021553500542481
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,906-digit prime (166 intermediate primes).

Certified number2,906-digit prime
Certificatedownload
Certificate chainshow step 53 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674994804 --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":1100000008674994804},"decimal":true,"detail":2}}'