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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 #1100000004828085751 2,103 digits created 2023-10-24

Value

187085141066340818791150777758470319031882613230112847621870179097068753140555491528729418696852019742401366391868608467768262339637825775885762239722551907510359603410191611209276711954628727282881177953376954433525112257792028011736391593707776147115656671078347318446363104801632556406853431253553434830064116839388769362691923537908664852227497390112995987379789820678305505792156289635320580782448494213043407528453132608880309899505510861116613981974926449202027202660624676869863091831479365596935519529983277918462757332153356037129642834698651737174870207131876355487502557055313510002741001019387161223769297945108816301479616717217868791136131166101391889880596429128167810397644483979220613059445793088319635504907848975362677476077860348944344173337513607288127676390638813501575957299460928568515604570464580672470486952938945800025708365150101827942788667207988099962138440644540065757572515162859653498499370823751034705913348181762038568070478932115027173535526609809980243708637390195053956136627268271825804503803887393366238763617316569449687424098081067683514989951210970703047086960258644554116150247209507717144562027986797347477695136192179014508092272845392239619952871921752636463550562694823040217421580716519516870793863815728209050124914047368960866089141801224649355195797167394741642288374683159947685423154995587267717692538933528222859173486309477704331982459122785738143873004272352413643443306330046043211457577176388805720261698798941627383503251577941352303429667615553060025238701517531252605632802097485068177254338937069963099351229211020196499744280384063875062073070490563796474620896298095193065297959890151027319235636839208045381596494308050748754725849827460934488503039713180298633324235660553327721198931183520516622899063563784729876676994014500860032806499487689356433927547336026171624006937164733779504687381730475874339262819703240067617132293129230402251494580153951737027459496238452204352794580627871056037237583094677499042601135366914381000896279910174288518666991555967384287955316982445086497062572839746892851842109867476546044513346741821861
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 218 of the certificate chain of a 4,135-digit prime (452 intermediate primes).

Certified number4,135-digit prime
Certificatedownload
Certificate chainshow step 218 of 452

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004828085751 --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":1100000004828085751},"decimal":true,"detail":2}}'