factordbrpc · fdb
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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 #1100000009048955533 907 digits created 2026-08-06

Value

8390299152083285445850015449043124463817414962585845346423355787117210454969180848124264733551686801002667200521518372584959735982175384334597136014062676270403486210349495830693599070690888990477428435856585602920717582921327708795923832807226701384303249208011656809705301467553562471923057804176276874261329520149466450753767913799330264243286247446414897499561926823949869985181023389723932234041059933434942610584520718732243862390915474757070448859068094757040573701816835770933026132232168284884228024383807732918833294229493535305236497855038958973561520588309767264879335865586917424666733550055225583413649141942640450005809241851607130364960997092919892484920599935030261317609434369759205732729960669883665620853796146452201891879470672725286376639284882607051723386817116805564878955755104632036321508190273933236568961942004087413441904455240988702346818034387089452354354518826763673636088871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,512-digit prime (119 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 50 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048955533 --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":1100000009048955533},"decimal":true,"detail":2}}'