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 #1100000009078768372 919 digits created 2026-08-12

Value

2482574172955715743045344712160903397103490489756690109179632929901825461397480275500952531932502011150713364415603557262259997390662329377012720757662701103580735012414928398937631365643449473849972326386573026761366610655071640538933201953896609740012347116417655266754819289668452952979955356784546771942242542716607382084883189013188906819656204914508756654001683600014077231741854443640672971348032703881002862456477811363171094235444167853666215244941667392857841583813075851348020732557545958288249567052174420597975783223340456079678645347581029071802803323026124904295728343122138900704782737040246591292961034585541545318907118580146104109213957548435248559019310411281631658397143017521340522560767173205220933617308156656643754164024087509487790812266670969767472554683229354610239999019465231462020266563710379438392699432675227124675750191867401235471921495017892026541243640811647633958929194365649972669
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,153-digit prime (152 intermediate primes).

Certified number2,153-digit prime
Certificatedownload
Certificate chainshow step 91 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078768372 --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":1100000009078768372},"decimal":true,"detail":2}}'