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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 #1100000009055122280 2,269 digits created 2026-08-08

Value

5860592250527439813184457164440133138830437633675707027179130600867959315267293111413303547515890147846133023323700252252455963339885604986561431349527825281286338441129354209683037094256150267316630680892963868150044974123791109085269285645727146591713930158608844697529167980266180963827369049050928105077030194368945518859863185601886082000508772971975626811050165614473841742292533802666571729649022126671259224535994680116559545487794064314908487241927058401160489574586397027473828541963205226966183404052584670655746634555699020791625391855375648246933658309665858827682142219836818559466092310562636280768879380360438409897340519475685995345853722697673868528909008548114934828722902934741662924408839654325150521887456905420170644314866811241941401523645490180169775316867388019300006509514197323901726347890609386507489266955164207642908612078966851199903547552294137770578068594121534721644467824268943585093552119914496840634997431286540610904017706121336232362318537857283130608698437823685570838090179925194308538138557398472993380026605698001822825828096144521614979010096943903498495589099057518039818943985087623748407194727124224181416741931759125650319194203816054777131402820535595440526561153454498777492303523034451202814705252972356062016956966899406606305421907754134354426362406053473302531510237997379254962096459932323114105657879877072226926678739974437893835531464050058738537179378573645934553903286755494805146992570451422061901843002382395572744555654371016622664975164066953965251097027967779060636285138265167754830890376481925096339716179868035051655122653870828430686026621832805219496821159170451822299219163807229264541014622823879898030134057890662586842432149881564518029573986734436563489751400039752352968235773524780152121208328180232087047636020349985571088894714606891760317322343702348070120602741413135213586007990263789344057031837385508339574836706312983673373459608629314083942224654794510695264174063452498485506927883611758677832293594957920661138917302372362480537042315544551522874397328740510775809482346863756866460701116398403386588562380343574997082481128474456626485687570002381752758111331662377261659624152166987486918419571581244313381872378196073234795977142874261369631747247286454674425120393901846457817
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 14 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055122280 --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":1100000009055122280},"decimal":true,"detail":2}}'