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 #1100000009074404782 1,089 digits created 2026-08-11

Value

561539939937822544042190337663676159724521455086605735436059355348380380869863554448465996750781991367556897053494741883153081613254525945318503459179063952178232103515081872781040117244353794237243339478618016369114200982357036364992399221022473401784957865401914147726976927674327811829095083795384618132025135467558238021567776092121500509245517560422559280738695172823465997063268789420575197145534395635610956803808841166941480300615739320083394277034736602038824568415975162817549392719450117711145359264587432581876797306545686445311000590366916304643482307405771614340284208020442688176345147435448455864797348971684143450614291263001975617021584836668155096745105120918945717756477405317566219824827096902117230703964741960920620105953161080817947656352293081027465874757148100458414939626737823575659972849757028571287039000494364528791926127402907474521529452048018418071276739325318449336650796777120483606913211484320203007244666610353940819634587688105848408508597023458422613909444852490350955590319916950418210347120210024212064237252889480951530549971482034341512248876057
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 82 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074404782 --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":1100000009074404782},"decimal":true,"detail":2}}'