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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 #1100000009047329563 1,058 digits created 2026-08-05

Value

56848100549073171462661114839969321310164895733663618120793204715730573009024183906509521139051109837765920622074203734602072187670643342851216646049604649933260326487596044124702764398128024392813983049695240812085222722598346618701363155918747374229643704522585018650408400694263570138485596010017842586147369772217209300686141141347603462599764327328559347198613240109359269652926552522861924305283337764100749342616606919702665154085244727628960631745161625045843539517977188959389744762207123625916032063186366661977396896698366946713774344279912115067926884544903508536224924493541117753451191919996312445402128793955250357050223342433103843902986141157260116221978263748884199656777288480424288474641740872725088076476225953577257145395069427060224307424285376096754540898962045593521825615259907611287597907381116184114512179723998952241543737209958063622425437943470308379210840426573504400776997464472265693553182256115037324688527349419222095708892199115712591982260050587305210645121863894304828173099751203907913974052172017478561926108212888343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,453-digit prime (111 intermediate primes).

Certified number1,453-digit prime
Certificatedownload
Certificate chainshow step 30 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047329563 --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":1100000009047329563},"decimal":true,"detail":2}}'