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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 #1100000009104272388 2,823 digits created 2026-08-23

Value

534545311861253961455947073596581560943859003495157976308987809111235110198808489858364192489328493538667192952085007562750414511269001371407181631422082756266238808856333629891240061482572032596408270673730175357260219734299105180431316743469847645353827905463501648381505939465512386085689090199835249647568659534267162211087241838745805938437306725071303664086020123201259756887665921254785871990429890869566242322263243589057568029964573272026961329521668522759496399442322372794734022511514639385423513304661356532559872456083359037233578706389321762065623117489749034221851249460399784473783960402717690687220923362122146494092032265068836206255716723610152904923106726989413650739691572810819582761831914556501853833387827525665716798983972864218971784443760140527537989537987122752957636600094582950187472130803343113827613566536966363949096751729419799297157053006143579689075712660531581274376864786133480909854737048706846671739148414230896971929951109554649098056111742106237958085303940474051371047571213288810983702926767537470840626896794515364929177534734927104618424588808002531690636077928341208985907335871447948336410850425142353034378562165928395466303117694656879194241160200582305945502187079466769780381769757571731705239718544208765902163874140385292109598453164983370984373033623935854692443527326634190607132309310173877105334371103029829779783183720816103426864610346104449898685783910805408831929903397074986008172320540424695551602522848431651474607496632248965573762674500274907832068375443256072351456044542992279686698684976928269881433734801949719567217120262856606366189185663717311763350115695890426015218010912168694097354075650994979065158103930478131693718743471952969969084557958078051747370219886754387645915347237675662107775958643657837081615275624574862621524801349809803871733010605568575615615466690160075990158289322589493836598582464947863142560420370953645284988949015085581274895018686321581229534007285290217683019406245077128906014965404236213156270410183569030524014254218697532212294186762917998225263383743349293114391239404536353038202107083064656643040239340046439460281145346092229259052156262380535632711285480436176143669015707999532124067514729065807202020724740089607705565640542861625524144917810736234707123947000921767692019615356755514427076196586359349440947454858082312174223541669661189906601749378047091579834545526720370235101509882874968086959026870615599472880911010614044094758457023556648394310780811597897168566481786242477106261075032446827823724858585561367836995881303611446883965091570816094506926136524322286958679966770579500470679999472059858224134277426457090120937051855431032650476712753030874337686548295834797555187207310609276504564141558728214194343580871984090774226641288743756415255584261500728783136178870145933513547924385730433
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 2,989-digit prime (219 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 13 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104272388 --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":1100000009104272388},"decimal":true,"detail":2}}'