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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 #1100000004870711203 2,031 digits created 2023-10-25

Value

818229752982787555771767372671707472696467144366761255283659400300969268893382792891033159944409458464439893616835083383742899989011875030402948638412975644170308549749898209054945893527386877577632199923845566198720729796527530033901388483217125602275922973496005389251374330671741371229982688244372088440638027787077474573240591121781117252809540098042589638615536342925202888994567769440769986321334524350125565873738501017996546986228453797876205240759451320704016757653760353604479610000397138516235913717048989594858390102017503213519762256978166235308144994309658022714185828101311939963458173126417535499249219111290984861072624883366708705945810196442637938564468863456720899165264902451867297842707139716022515223192766622950560054957368579893911882519033637083779720356446296541916024204185295042518465700393127325263565075250562041166462960644345552831542290364784351439021145157343774115981510707046078778798011829480815872793799881343717896902448411310476312491008520125109989941058796069281281267448213224304157888745000965959566795659392764335035387454767541676254977020710433282511146056484740835071595774613296626553783915044726839721146905069766308908686760871262880218512428205017249112179039150723989096312537693752885985730894884896203937364942951191377900542890201010537522928766534760746013630346791123781344032322250751218307573376041250117820063624105288626847016939935725044188818725163538956225740993881359065138866629752494366689786279814737763872860333643606768541556114587773730859815619452951841048318265973880569178691495278642729640691118299077061096983139348183591725729761405785000074236155532817213121321248692061430615668621875742999450773546125837675724996862010037128866070381952683326895791385986484084752912518976879610763889042436873065643554215915525541466235632183804286303133228339254667231386832573318704411165216488313716650963991928424695288770971865237700395216729462428052497062047120451902835355521810113386975051928378840783274415847088083184654594275461100271938603550794480941
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,638-digit prime (309 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 65 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870711203 --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":1100000004870711203},"decimal":true,"detail":2}}'