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 #1100000009028769849 880 digits created 2026-07-31

Value

1042498467192256800518707054112471649329685592477080851730650054995005807364189718248505813999184511588197065272177986066043261462981659962021167428078067164259453998351879666280969965599909678864620289724213696081909659474004110308598220423419555912721566404448042531395267713325432269851773975352608084345276268325242695305610217962036705968389527230302903056420569513177217307022499986734825005015699665793723076708493699185678088917707622732441009273990387041416270460328201088357697507772497055612911352920176381063730359169506509305399492096864145620054030138005098554688373995145955323866099465311838746322650187782309067454524524083643644911975913065979445685904446169252154094993945692531926648333833387002067615662958126559910186498198467281189319069852448351604604699737692401656093514152848183221876460993879318686784650627457135892939634535968651442419278930640564943
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 29 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769849 --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":1100000009028769849},"decimal":true,"detail":2}}'