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 #1100000008375789373 770 digits created 2025-08-11

Value

25403018402852759966061163749951665375859491321121463694836573578420524981327139448722103074547317074502136133791506942786594450595858239823311078838832272718334011120494526277150196050548782429089044378076856659602458341396465911303781821830064898082821338057272001393888049091944191743070708531333874515569419756592737816233418014215527361859145009593513829454842604705038574817804230075828555383399876010346212681678830869245930570783003573936075218710486653560734420599680085806999414222392805851325200699846156501929061151705471336786608205677579395788191927326679601774846751161421321290834107633092993241584394022370729634187384593335746435892900854235823256444836559509729430871557373284731530213379495742638258289230578477544591482529798184416937243574107892039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,562-digit prime (171 intermediate primes).

Certified number1,562-digit prime
Certificatedownload
Certificate chainshow step 81 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008375789373 --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":1100000008375789373},"decimal":true,"detail":2}}'