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 #1100000009043980285 851 digits created 2026-08-04

Value

10241627172881908377072376103113423474932421003916462580400446163656284826352411640955193231960684480457252799214006824915060844272803065186682417430665776389081319816506412367013012264418512772793110820682169583966045312965985304678869661299099661695325267681926720721919984014748177303063625764423385746104026093782410339006270197007185944722368793355341586404005428161248837519526302898705457095469557437911386097587018273290292455991531537182085609605943989487870353822765004456600261043811053924376008215663642813362487479624588565750668938587417964927850799875641650382969124527575134322196058425339342398802156172778334981807647172042106319072336474887287510192534280851235996742800497631749800946689936218361454146382860903297614064727871898758855757910967236600586954668651544929344277877959990282237164039538734455509736132551329399682211339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 1,384-digit prime (111 intermediate primes).

Certified number1,384-digit prime
Certificatedownload
Certificate chainshow step 44 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043980285 --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":1100000009043980285},"decimal":true,"detail":2}}'