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 #1100000009053848492 906 digits created 2026-08-07

Value

221063252738551710043441460293768701007486048534163650090701325787431763655780626709031266172925315581194824816051369452205451646621600353429731402086594312152101219031041166973380718887384510999412439353684298743045741513596245712258479012104244214463523832692373924222853716894340701744149456509773395090940127556286082005826124986980588384482669417226883392350690502298809536755849537495415471982677168121305859397440440734826448312658514527429262848774441259876840063248555835672136899172599518024877027305936035154072876321213500977689295061149792813837441474341476139997458876281859217944120623565459187672922246098269529444519829610205850770219602485446131523582317860296541914573885080192180127659898258735679277906081983867364617292584304841960115668025595932779433683222945839823274464527189256564483854517549337334604528773005546359800738212457989499512069698945359452484060462817758776006154793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 1,611-digit prime (135 intermediate primes).

Certified number1,611-digit prime
Certificatedownload
Certificate chainshow step 61 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053848492 --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":1100000009053848492},"decimal":true,"detail":2}}'