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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 #1100000009054270970 1,625 digits created 2026-08-07

Value

23805955189558896725451575368520154041871788103019746910711142036211957877675417152975864178402188544012097404583683013467870265429047479348333199937750057735686555824841527721703306734826574770656773731269861470409126717944820484280438181053993832029109128263505749867971482322390217035211140006392202711925485905876976630120629961675112762017610743180066709074664156026641704942264674058083003149577183907077257099598428153392309336724148439292073065224729667699022996852806720666000871821084053096357580410986201345655393505228250525381944677659723751669415984332198346256089418190462175188019414027516947739360107327525166064261570787257879376359711515698149225015264656069044137180456130032335607341857949025477514595644269163006962139883251408660291178183239762761753200673462791696608573492957707138436845108259497794764212767647990567540924055502358650951335981988052133540005051703330274159769827837174468914665448880969251757822611451260421206840000063541516739449531813476618224719010549283720814819081385660297946065680525998309113685117831191246842113864033326253255183799373605260495735494549923874769775204867488322744841964277041303369110714653443968865829054307014497158614035232844191705588752815970264298775551462697013153894842776453001833895187169019809640876983763460907496944325009381839334654594498992031863600455488144251502033194329182600378639813215404698143079417502229253335623023538250251477119489329204905594153615542030278315653894916368040823714145571033660245838015000324678227766598230332752340933523738964316161421868965666446210986659040384239892912139228194487311317620818898838555703871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 74 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054270970 --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":1100000009054270970},"decimal":true,"detail":2}}'