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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 #1100000009058004997 1,761 digits created 2026-08-08

Value

646062194365991299431487879214287423322201107440870775381244588465993757180865119118584618043434944325872019224043586190634039542244463311258544828636431287738037853421250953899692556053852396330991016339134169292381314870572177736945535543944790588014962120896729088905826987987205390630277478800967554170572589390082105684451116975670295039008956229957761793590482004160428956766247691092976444207152401034110649813187351466633332787562340182963157056543682018047043020542164201908720999581475369982338513995239078834868887072109199948700207344011832218643075940150656175743006855495933320654615514561617972574275892915648585830699911559269894188678862909135269841827339457658687583052129851572282618557039667142191975109671577977737170849063833895440910719248690896905201818322829827294411977381363714877101119101834318485788527880949839906489966921340950696654231804373907425665089834584842373866296843538990189271011112643531649383955154087628406844910415397094932259714422663674036861758939442144186729568344862849643962676903638386313393135171650515412136583306973435508352776917362694841171001240354461091852079171178389897687015629624727042956654873699167221446394020566254630787855665730960196482739521720651051937954336352290727535712718809282652049167207402263590297196445325018753939184469247607352886163070593973809894240173243897090424849044298052077773610120484777713750612566458520368160522609049797789790713194556954499849372705999034998277570332654249025895954735403406220335011588039729211550843406356980633871327012912097718034649466783529371976407155417937194130820284624973328055245486522598953294778421347532912028399246823958702099908856651910837679009016692030526799078405059253169130565233824404119003741550165563011941674253405528499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 36 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058004997 --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":1100000009058004997},"decimal":true,"detail":2}}'