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 #1100000009043979518 1,349 digits created 2026-08-04

Value

50420897485872870518878240441587075457152851441424441552615646891828198362685758695264689540817502979009033442375750048114445232020799275282435206110651000719276425680695214955853394308740153409395813108726301791461907537418007173593987107257878778265816888155159889581929000724421196066281498657100988210937132644290677685263646276465694558850962361288362020914539107791275028691098056468937848393988651385162675316033951659594244084891517945973825438869659564602671728439785082495032522490982833784991588641185110426718829497284445752035690879347474873683521482932664779506381690315738683132780883944080491686027328110840037414776543618973565798775891832863889362819100345055619325920664567393434989815417434578319696196059287493284739485994704405375350598245478897322674832701633131387923789446825366117437655818222194027373925628985554256177003372656536515292651375003460017687143419496566770575253407105928278310387966193660083937095046458436122279590449613536807250603564040650463410447471916724888408336596108776090967858566307344636661001995151445038604479121023223295936277080620309878325373670206856592035169529858948976461627128874600220408932365250068358576061190541762970173341996183055392877361128215328533795665473468277706068080032790012249888275842663840961029482637971753504820911159681540776124116698369368926453350768799414871043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,384-digit prime (111 intermediate primes).

Certified number1,384-digit prime
Certificatedownload
Certificate chainshow step 4 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043979518 --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":1100000009043979518},"decimal":true,"detail":2}}'