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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 #1100000009054271489 1,158 digits created 2026-08-07

Value

982688672705417934847979593995828155302842133705363667666730736770190690456725929523089368037187555581711469043235684336545570869983642484038274631724131175834273373001879122913368443445521095107112083608861962817030626268935007051572879892919595860870417283535734744981566691545438313123231149428259523512508249278119838096908491469055842928758357873296111543996167478170081060178466006843200425492956784151798359508255619144886854362763459279718264095843082258151400740230778346955463606323856210942173799558085238297582118175816789970629767472834401512306099862668696824260849273927945800335285884488216213605510765936576010967493919316918663548237929621109012455787461501367862305491091135879305650609772927994381261036478281881028939816097025495163142655401705379102474922245022853178284032593111527564324626925372138111136850636622615082798593608464745729598835194261715983144015765368249470148168277938470717310890456571819550260039552273363450714366940287521796352812757667238266245768017454307143002284433221690243899666201519942359941669327062335379869701351648750140434097410325750406339918571312571373718466420201340770978062389509485355991828749
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 108 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 108 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054271489 --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":1100000009054271489},"decimal":true,"detail":2}}'