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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 #1100000009052923857 1,187 digits created 2026-08-07

Value

13530308483541100028897036649989370486885715137613872426028441521705711302507162283143642201772962024820499429374596015675724811936837143522250461939465447164301334745724416176260791647158423578769109666266298361012988417768689030597940654346319147945962873544682191705368622999530830616020918696719538880459430577811140022330890632966603118524306436423055201122287735737452199532629958367454644114546597732985398850250202044901293298421120565307950733142113363486525288076942574866455056381230816102133968953944676162422985129400587242476076175921280036123087960120327323337188586112009227036379511762988000470664528586515474212437037212275009313075959433517851078958361062928566163867862615084340860434239546319095253277517765642419495921984476226249403245831259648753098087445007864364839302693150557040853444116568792101392890528826495207453694396077001132402489860463263528001422574948007902002966265866303001873384540409213742610671549308638793843998034040892770833600922066474035844024959023396094671752920195618289981431742542214173207603215658248129077278676162396235320311376190258762108883336193431036295879143359824940229879735245213205366800938858935096586536283442759284873
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,598-digit prime (130 intermediate primes).

Certified number1,598-digit prime
Certificatedownload
Certificate chainshow step 37 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052923857 --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":1100000009052923857},"decimal":true,"detail":2}}'