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 #1100000009048553255 486 digits created 2026-08-05

Value

565225172533006238570126832550801048650209979527473135229499502922081888288182795064089999961425843490519233548267717812969937035617792288917815195656330812996701113751405554959693293901222143871811381315144830740617119650503452586713515242803605577849429592102337215422010468839380170240201232929616012890582751162931147977011001781764107565737785265498623626547219936605406559558024939270873013796909118780983473930979536695102346829195004905194117214119973765266300977182266212208317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,493-digit prime (115 intermediate primes).

Certified number1,493-digit prime
Certificatedownload
Certificate chainshow step 78 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048553255 --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":1100000009048553255},"decimal":true,"detail":2}}'