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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 #1100000009107220136 2,403 digits created 2026-08-25

Value

595788598458809002593854061181043553628072099785786193320320198229862041126338380966368095938099717548173335091021859486529709693474238421907964822138459307312537599220675120399056651839599550730816537130379365573916365218596384809507304228666912376187260197532404828999250589516122357018638087630773596467557726281096141845179575576781748246742148295222079732710134628175771359658983958893638951495225358584140740514981158336727368205775970568298325896143651015872414117427939204239081728764150108164975466488701562679736994593273355131331399346456233319751874596543372024588701756620821758434466641493142864258722322091803772296199686913237457373078324758562619410110930519464127572125590008884395551608902693207375000032233110750568689732759378218834810758836285873409704301002450039482838112512153477224741017778524784199171967751284633627541675894603116297129421937467304688384476702074446654520251093284191710225787723814304856008574837854676876997556571458622199383501807984798105275053388820394299168563430377576037260304189063665500727233787538667824981866776599895778519475189270341585462436908983055955574023849245917659190606495879808864120453343820087741535794544266872767039439965725006990679167231837381657581636251207271743859669462244884590104089434807497374711902969954854518485262466182764645679362916238373997445477033401131669068602172933041135508566000540426295217718564960250736827811393473395243657368595590156067958176567860753944688813825566156296580071337230534805338054973116831312724984105435524312634121493353642213226115273639214920499172600897927453053353893038885298888743060203190874388765069942061812643843815707184946722259826265878784123948383479924771177812310918388609847015731724247050840217972977432707428299967091832600060104188303076133078689632466797744532993319207875674965941541391638445810521120983008133272990615629694849690764883623016383843278233906436902335383941130688452831548921528064059470640417383467573184122973115803293958750165652078751451162500748949618553399060542197697310801126927927285144009118609433210218198537444349272210009337244918577863710239161020554309953540304771797234753594133910421083052261666144319993701972731412944748764547497465048536022032204571728684340295226527941529754116761591437776009264244447028136429465352305553323882705388347469034388855996381975724906414518187738723117695299799167499997712766830913648961017797
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,998-digit prime (197 intermediate primes).

Certified number2,998-digit prime
Certificatedownload
Certificate chainshow step 43 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009107220136 --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":1100000009107220136},"decimal":true,"detail":2}}'