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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 #1100000009123004992 2,204 digits created 2026-08-30

Value

75902753649917161598181879375301828066239873759858114516961877378948950811821385243219630424034082905831134443881126683417691714742392733571564008724087999491218675381311964550007036031664722213604265929171352538982899982001889254663352548867382303457152157542223953193588345759038805820058019416199870190749550833246619827636029048915127876348630237332119295859474851759048683196089707358593423749192625885829120051296478021354772358669986536268093483277131629456874725791142338428624166195017839797287505039543597796000189972198658260561030504648657942267567165941707361642843407939945635250812105877614939922213891525175019443340675496817823212112210548423622746376815589606041059985459908533844624151239499903522812611720660205580525368717077178476007185932577986695113546462104757820257216783540993004888742601945943483694805551302964916883397135283036776954401896728340627267128913654227470221964642522122515085679875950851131161153441765350924466736130745435513720393704013362179652933371425256438642220846587234496841685631340724673024918808201632677708205511145669445480495223428262431612788615954791648263909485864968366743362443004156628784955862100100558369346471397438917693990235281273189774442480707309016290264102169359134764847127224397335211677310733700842757840766058395733614222464531036543554824806260930598489771817291995349652821181482985102928400987299381443836238480656723409871613716952341681652780576764423679097987633698382539376134394274619184592078189908162996552430191879111606591546472556283226560434783401151626915285200236847506539512499942610844188696358852617174829924411967406261376859733787763784696460356472229310180053179582104304628302728788818260364947780828945945262311383121322031196099837392259874125613528211688290964799746816706141600266268513063006543685110730455186589347336510508114359264875070756610881923730738125729943755611815858800294894898842545010996752753742586343825971494092398491588347321174918570721659070561747133241975045096671080951347457361761500666810788291687663049603578888945132143332210628570135517009707870635298185528819864884380968947533909693106124819395236250523014329399575723971321406276795796182558825695493081962912108061767
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 3,053-digit prime (315 intermediate primes).

Certified number3,053-digit prime
Certificatedownload
Certificate chainshow step 79 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123004992 --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":1100000009123004992},"decimal":true,"detail":2}}'