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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 #1100000009053807645 2,090 digits created 2026-08-07

Value

91372049860420250697330635874151585790054400113394610018908288997877156023774131167225534688446746432485145985707507059605946731968383411455689378772397832266195820778835909965471710409637093289287645420766636731888398230198907113789232607138358166857175029201669953221498417774683515083901510227533927784419326969108149520657643912144715916766321933752981431932697460964130514004426175593031510096846124357783459744887877500000125253378452547787875982679099265854126520435714930031781287188520180881922360303873761879358730348213013705498332210772107223019897417180390315289445514930461158708400760619315217031054215070492490054812266624388376659377966477782549611192467527118720380976422609859605829624735328206573938984721496576271746550253503211940719974822607250725406157704666588085150796055491871092471628297493341682811362142831483124065479405630311253678265248098258921701970122294063786318917007186810853239738935339618110071876401194615695387297720268699839778233938886566970099746705197061601835306438507107759710602181404587733959157004571823909757200039445477268311697158683883463345128807348670872965061708819150369492475166359356904763169629002817765725154766469036276103312047684406683928887243048454508914924723273860067860007577967932466114533974514321341047058905690954337460493855236944922821066328377435386992667453509600636342718529980119138503435592094887138732304008523139877529880592818889079365917442743608652298974738835024390692210126293806733896481409115528931129815008305852987817315093237230440788620724914475077599167761846558102317912573492249214797234125968420012807443050368389335804939149096040455708328955783724752942413611239823609741013391966489148161885810928826374131466031172482488617249624951978997293671842731423104705522123153277215479676928683971735902943800710709133423764974107821920808347049229789935231770905427345218528787000487268622951764890204437605836961987789992565622577953847650838147126111463718199312147556122031068176449112832110431487421007117467136400493118961568229326819493717533788737559539998823590128077966463311644503499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 2,205-digit prime (172 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 11 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053807645 --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":1100000009053807645},"decimal":true,"detail":2}}'