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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 #1100000009048709929 1,076 digits created 2026-08-05

Value

15404984673951410957389768304199827624192263859791222733797442452760682016412862897206186792756911700380896632691822737733701224212673618157465965634455748708999956492964385807201744747217194885281218477177311694339837929304177143309938006973512685301843608231300700350831462443322149195581562629704323937807492068792902428913187978786197563760881553996075170072139655062579857534608471914700476731824459128328580332875372809545537790968839175584019325782833126850013308276155705683882471204882776653049626631244524842089717919831311530331513100456837259304751967163925211014214855560260297637633376915573706666778178957306314917374787399582363171631574353346980308205043340251605764464584643140003176618786677363228710252167953096998300841640790251262953052474315686840277567985709726473346397141564893576244952534582895975115388344746961169017546877063513363357735639218992287146014820787678857291600764670931532598349566848989602132939057206846523050324704547979154071898166560078123312495916844679677702976349409524745558371106814930499575233359142209178711796981622822337
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,502-digit prime (122 intermediate primes).

Certified number1,502-digit prime
Certificatedownload
Certificate chainshow step 39 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048709929 --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":1100000009048709929},"decimal":true,"detail":2}}'