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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 #1100000001787026148 2,085 digits created 2020-11-18

Value

105885896224632563986352926211486824788349000830529721156934880852323679381015278967148644256033181446908194039870612127231643245641289950053379270899294270297682172431247555055488761487747107451764824208805173079281714468399918284604976530752338974065671972378494229295495176917344212061677415099802305655279574671263651491414722200121239503290310419850725868071675330724368449435016921753116954713053125378129989329767744070583010495656755537788452595983002561925413821063735945774138770047157163117582089059594918075561936567001543592028265517145585791573860506257242914761516187657726253449280565810070611211826113542602988115588123810195963038412568630648856628501343152049909180528377517962082770663674373816494681446944400275835500312355751603742488394869582153757419439589521179719377979549325446818224802933206294768747289904838855886414125699774220332286321219277872202680271920326499355093769091743959420726748685359731698407520520347802779656606545886939499500965873786777500191671534562104580541343667423975087501821573693920025834528850597885348219343786925539731151213985685387513367362712502034065646626425868644565665060002524939402307449314663008442834312532930936128472202495373708057941957939046028722902279365333094089024302428523861331922585144290037826798511348187663678648088214294949672192708669400486488840954342280058045654445658461984242642349158905158998592680512440110948866604582531334825568670709115211283144698668166655748035416047305798757086732993814840721075175864858523585918711187386697045313102940337321746925620106053745789449938198817967350683139492661310569322576568856136898430868499152509557155574271038559926886023457599364595506753218640351432439734887610973430542819338313178361150443418592198858711068910326125151626942859915291048945905390336540156589918499520655246616440112792180459196818705295007610705424997571611899310734533091306464610374299263949401727039529374954163724128695107347918401793233912095303067929176919358564409707541385603286510186743478255139214798300192793361728446317161740600293548572481789514248221225115658311
term (374^811+1)/375
1058858962…11<2085>
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Is factor of

Primality

N-1 primality proofproven prime

Proven by a Pocklington (N-1) test, base 7.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000001787026148 --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":1100000001787026148},"decimal":true,"detail":2}}'