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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 #1100000009039158061 2,098 digits created 2026-08-02

Value

5702981595972775423976834813413404749297247020705909704582627379358280565895406594392209042564901702918216156109968783919085777140258845475469347932641413385952477123756371315529512617277197758462590023217675366068617059603956877469211736402515408049934498944008379389754045948480884864435552075609058455708524649267595806446675429471305382868750095905412471685334572746453832841050560833859988758154044703608941438218969699484736262391696435527254091760336834005566953843265217378336242396167013825359713549028312425815595583236450053535246901481119481829610552663989581726021469805292178310518093617338259205662223735236138627500965253765545046423041107194658971484366897788998854589491873040330188889566302275347921698519180098871484568224249626800578674333007174049677587401503737235203590039338470530655542626825568093931080105557409800050532822422509101910493361513578519440428894537250212389967051010495422745439369578674085887188618770712529094393305671313997466336042200130075797915978469522842529898541419362761414767308417705737069790337342171321621433312636121930610115861362375301876589736534122339430640914046990393563414053734085513929175485884736053789334386386594133714443951394011764961828176367647025385910736885434790831216134541175526798435767285612853670871832711813505501824639549393173330773853752461623258882289652725140171235591509872542839193804360702742843141326527968784800779340640714394328010793070418711815767804419861420969939501786584959556503847685755637090481944367145193437828083527933526216661381949071556268085263065560534309360975672806786048260567623830565353907766700392923253314377972914494585715628047619329590134730039724521953135635540180105441863249537311048990985606145099069732619849041756452104687732743689136655886124264259056993312933449366542893125184200199245772856350972976515341366321827019190770857283665922546389208015123395294639495956256705424171381846479066027203136920842184859777747984915073086649654882257739328243315593584953341118052848951855984150790845301555547556746598972681474371312905546111145766464664123501916138420108291633
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,804-digit prime (212 intermediate primes).

Certified number2,804-digit prime
Certificatedownload
Certificate chainshow step 53 of 212

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009039158061 --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":1100000009039158061},"decimal":true,"detail":2}}'