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 #1100000008676078280 740 digits created 2026-03-10

Value

15250863456098095726063792909678048694403779202565828711283988833679915057863562714302454082982532691634955858059523926933523106155167164072619322123542296749788258833837531654984121431303105744895843926158706940705549285466556553322391866907645697962211972083077031736456604372425570720793454297695833251587023587819030531825060320000660309660658686857147481435092875357270057538147350034597808000502420151783442827351037314102598970849112301421201333454744937142793498829042132523874475301872638251568003254775794596312384323317048236869933852894039769438270641703384430906238680927385146746253371543082207962956079280358138114212405986924850046778296659820719554008031354125662214677319070803432213390678202643887087223483886737936909417
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,242-digit prime (136 intermediate primes).

Certified number1,242-digit prime
Certificatedownload
Certificate chainshow step 50 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676078280 --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":1100000008676078280},"decimal":true,"detail":2}}'