factordbrpc · fdb
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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 #1100000009065128219 2,362 digits created 2026-08-09

Value

1796671236586422503281212525073818843237720386878011985174264943049017093769458751733682560144948373727328300099091840835329120703932518031441500541083573335692132928313770956850025009157583448758901145155405974589366389571506042660266353334149062204714689483884935103881336073576363238178567772899154538168225799006958360211247557481948060905316282474694935596237700433202691829642605469919271461572727020583736816774505000155200642988439287141466211666050191163786842888538589255603921039771693547652384887701060961770806992693666001928834542898612569267486356641546393104532684302514989897852276125721765947063717113969860034831582940387950756508506091560996491516440160577076345891888271803071954942206832654485121928315807293879861471723484473260034136519563930544356091909239610255877492709400132437667787590050130363773822292729096746539728103727949366020948409827878549103725771401984238135242458941268168559338689888170264381090304750785097669607663288878965117264974364927741557286902722174308343995907683962198156674299796474763924920356166033660301337131113291626096119565177251642160276428945089120027529289286472131517216351526290121118793594182839647421551502493796693597154957194539495384003458510101685642440118792956701127638037501808890427504761143883650264210367053032143572078436933362264115465584231834904697884370515041767734481334924278149834043224040947426061380189035193127327162204913632536228493671290618794793860144042744851347395529714938261329420714900413339015264658727877632600178589229274993519613911621403622188317360213896327745832311610674047949034771775812372209835175440312215272766599225453453656323685044685880483643233211877805867667840803359369710049177917944014021962049210951054975579433968208819341202813025203196288553727972311226184663602656790875868837962646789919330124998641040417619683108470763368187793192462060022278111761303539415876365371444751308355017410721299261420393730011906554821838238609544479818622264400595275882167849502657052138549081666933331726766915293699463604254392596311452739494467954956166373705203824259554916117009566238015911365934910245060801975366965858144774910290556581523707164302147017979523439724287680465914265205191573625930562155024534796699528296425764849572216684057276640647140280700422162702939069321027847625933292103576292993770833210907969570814658598504391415088111
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,485-digit prime (189 intermediate primes).

Certified number2,485-digit prime
Certificatedownload
Certificate chainshow step 12 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065128219 --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":1100000009065128219},"decimal":true,"detail":2}}'