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 #1100000009028234255 779 digits created 2026-07-31

Value

15791525685745709955133596675204940392230955672283798230367923177936305103650910003805501004475116231412034091635814181546064534971648550610807535245317045667994498043042361479861172571044551293413093235498506468666968112045874044578936279748519877133012693981559899810868164219577655831477841178531518175477481262441902570816003178975024501836477614887850604044173208178488073981083882985737413365127582308759297210669217253293786513569958446848180523030568474453473220090382567560304185392284019219917795135920344867057163175250586572069252329122026866959948742681456144415415442449623964523965171119374448934528678912521614319464310846879120473401025251814170755431329465193371675433205130216250343607716702729050647963355026569875182683018818656135040066346039338937655651189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,199-digit prime (99 intermediate primes).

Certified number1,199-digit prime
Certificatedownload
Certificate chainshow step 37 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028234255 --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":1100000009028234255},"decimal":true,"detail":2}}'