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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 #1100000004891313917 1,705 digits created 2023-10-25

Value

5647385807448231835853310241584703890969571090813755517447937088766599471007595488895569944204371067708108653757792987620052079484100784800928743589591676305064984169914975884471991516663537299545443150361471351417456857637733339380474972286426640397151797852775703595363458402301613620383259203713787991965069753184279232347360305473647511185960085591398288480369706492905515338334278236399828506317131752997961020836194673438535271569943671072539954261357038573183417998886590706516094280522693422958804442307639092613802049099064412545469046030075550727640083400160801842952538405538448409722678130752711187070804598771623340954139332018724103226690123780669062430251061525757354274514870705921427625505559340411169604185373212544398026426868244270438240472628531944886094415995217576706602572511482762525755144159528314329018558767671881460350497682470276118680002826529491098728546362464447492306285935180452920358543086960345986827963962588089893853591493142834576717269029231213482750540948993756271494229926722006542938547840969580011527226602132142917921789089445268836032131232470970660014826689130381848445018421989679455459668856813510914216033759527814201166993674101190604419223964749308556052057740492653970698585937161748227070230553490155353758214856434964664103334585568599462878123484816146598972598372002310388639899237218467806837414862791724003560687075451438758033825892703272485779840871475915651448045516635878418852107914470003234400658740493170311597352034284262013517520966416869578284435892112324448791613239713865989931601501853692836461013267392747985185791547303560328834301671102147785043424157149060956815817473564548221538302971586436693731045696421409133815717127142731
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,228-digit prime (242 intermediate primes).

Certified number2,228-digit prime
Certificatedownload
Certificate chainshow step 54 of 242

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004891313917 --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":1100000004891313917},"decimal":true,"detail":2}}'