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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 #1100000009063834109 1,977 digits created 2026-08-09

Value

255342232969708880185682225960133323659296491919882057520404531548279851847506542137512623069189309395375618921954891876656028061640725467587081500031755225505087863653184637154305356851241972158536856915269579241460762552339162967393689070384089004933819705141283074592320353602067677364073578835191184972504158271985981816887761108458453639203268991342302670599091877431375345547518425497119336346255046512785955691122206478412461259856788252460740271827911899786773674421038152576288357768721165235516575469714842599261082695917171174942084123867009458795652456395201828998670674805822197589254437652856774312302829606150113496106235681216996915396684174858767346494250439471459284161684046933634224609297731554801282622455332741254179459127658334582931794090336477059836807116449641541550230675546198386393888638792422655227219959565011101548233392796489654446977143292741237189611323393401067203572170744140884756401239386935352553176151746790123329067124315969636954735263852701299895053077653143553147886642635670642804394330512898662645737103757968678434695837796101364083868045594380753930566758813490897125352721994729367789178068858067731887543044965021174878007618576066853130474422268862174366518856732284681807083929320881972984271055630826951967441327399014809479731188840070153248151576571613730039748176603321891014493266119811157958815382547979919438951396957438241927330203535949868632688718425592432101949143765324945335880629646652009042002200882202405465324124840759627052825560388539477794768360248677247432135352235695537261062353608822763234690787215152317276661278128413640393862178860961552760054704102101339297212886263901887966197509364508972940007171124056837703998167235328426248707012987499063116599578988809911073741737992002371459937439348543692732347424339388809509434477588600321430134407747723229482191889719479756930486481186078843662884511825410273280598629755215928272632911201328800920272824639397988971893785063457873607963187650538753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 2,477-digit prime (189 intermediate primes).

Certified number2,477-digit prime
Certificatedownload
Certificate chainshow step 41 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063834109 --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":1100000009063834109},"decimal":true,"detail":2}}'