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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 #1100000009066492745 2,211 digits created 2026-08-10

Value

966283256397999257041616875104338317152091582926248975659875766671477969317021336889994437346586901164115945128470541197620055803570497830165419563519149701529887091297831903550107822230622924815038665935011503521879766815402887421497132218591370905372158299303775818190038514766528637809603802139722192073381970195578584784518125599639736722176271171322663493045359851803437885117489069553571311048506088924469639665396955340281555864014185122164643684425085937081431323290035821491000968090907197096144172703700779121703221941412913135580229159951830068818434463549128868815029062382906471375004285179910806704645597724285511311672751611304761703580095400249053242329705994119107548560703277010606002939038133274847935512608679452045294099615782568079952770598964278581578536794073174868204818364825972067729738840510659784800806792001770497902688840521553887414458987041891625026782002440198706268212077112495419125493170172923455783753999513360329745119962969263965500043902291400951919289279045805221901218186208706440921523932378631725418004869794413077162213602991880663317126293055597149809992046293277402866733954234808345113095684026416617653898565195322799873623955252150314814532283687323468444710318784043677152349123958896022366496353026422612836474287392507055861731010333504444491877744115146192324512697155658777100786740924885842462129425884080339938792445885772518860667261909313993460859987931050761032874031390971567132705728186446061683194430856737226179268872371790184545231946213213910079362358360147049345959612636407477167341679587925672449630660787723649948944999645438642061564202562734775663699634410486681005759275846236578629494779010289417672602663112659704603725737744321160093581825692538572250760339257490184008333492787670782215055263708045524452620506722713196279077609283115229536037770336540446338623321451927616762190318067180512091101590148731390393414796484252005294967658530877184884864884377666946475956994070418113354852259003619780736167187199698754913314142986426083018860129315353669716913670273408213086596220344306577852133327064396361770542818881459920121496765116060647466537245706446289575946601420035471606612912656754839242048748157291646273146445325859733
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,487-digit prime (185 intermediate primes).

Certified number2,487-digit prime
Certificatedownload
Certificate chainshow step 24 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066492745 --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":1100000009066492745},"decimal":true,"detail":2}}'