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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 #1100000009063834382 1,800 digits created 2026-08-09

Value

213153871326301375645801480298734462623995661571639949314410345458104143100114877233082815427664785921339388130436637638688447268078236956060690081450296563931000813677394738551750375971722047575189234182043109147429082449008616870641215602493248963486717141719866644352427927164670843852090731153326638515127298482287529177150311395788682664991669525302025460287178196719475953585796178243044745743985742668800468672388981483760155509949191055940967377139854947142218218940768899678041758373212007770603564497579583773989122357227964355564504305938486280360041473305299031398303061672340234675866548256456097598410706590524032751534585377160602304761815849333864490163655808446518766132033348868182556196331370166843983464518137986773429311691003077315145799595687220349580653928228127832378338927173803234252493639038657835503692124531515156976868121783113236917377241842314430259959566876389092898066841558749149279598826329459137772630757847654010499657484697311784483821532321195861570138765841883600116210413113669323159508910599515072027391996862995056781369459475920822299664317598445713751601317196909198775544961111620767980595996051420792954684019125287975073758418023548870392261793741321987486721009514843064670246693626061449710878686818749547540554411388924346320184364259545687672079469204893952496941858101229124128561379143627083303416852062171295995138688972848298430680697417295332992886531404704025442083905733720934950757759149213893073036548279376012710976271870299262157008498468904189310171621833233556615528127845797807567087012978666598570780176031003813702668069846287547935630847096250669451171027687620402098294941976055193944045834817080054472379688816555762736678715393354622872879989848214342948067761317357138015107466053625435299501885129336274191296000962534047321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,477-digit prime (189 intermediate primes).

Certified number2,477-digit prime
Certificatedownload
Certificate chainshow step 53 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063834382 --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":1100000009063834382},"decimal":true,"detail":2}}'