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 #1100000008859756959 1,172 digits created 2026-06-10

Value

65880945821392448606913363638803204337975792467031082118883143888505680147859767911944270384613821817365145041812979707908477938717798228795536506443648703020258788241579878382876556093328928400344543197266832854527307024694647640410654164657221522947983743994066996848287275442228377925995643895281273847287979924710527195061651746219316812232884880599048968193656346039842381034922409926246725239122933087739661965098559436303679471502789780461261206771446641417961616075819874618881224558387453442066128083233257865068370181028268040230543545577280768356809944854769135529483504631234588913208137795245781275436616289812546575086096089123872630923492679413035920496113521115663389337929200008336558216171876610284455257509551803110427383563636637043023892768457287807198054553585259146870912275943900865245487522255137749261294989975444999373880316465103135966804884027030045676044876200771287919635859000909675073662825383613698238251873136268746822235366969899413376837488879067459753600296362456232032308084651953943956003379074738516917292022224290118688002595075374108268284413020969515178788161458993790105196803840724451232697788409089932440865015907663775977133
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 149 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 149 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756959 --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":1100000008859756959},"decimal":true,"detail":2}}'