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 #1100000008724592100 625 digits created 2026-04-04

Value

1884721809437125763600604207998576562076590978557386250333424499201044771830348150844275662857096962466646252659433157693151987021799312690324302110348107172536636477447860292157782897409929171657773374054811966450022448015621259757193865248452203125908335637756163476762317668832043067510125497600450176134924969782131334900939610441874568350685130558635404850589579696175484299324568096745173877237121083232847042585244003032105688318341528904152600381401369758673053926188722919368823989436685689963355455711727883326548012690728194976661438678424823746069508291859717185333127583332028993151295715850756465519626131116277
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 166 of the certificate chain of a 2,792-digit prime (204 intermediate primes).

Certified number2,792-digit prime
Certificatedownload
Certificate chainshow step 166 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008724592100 --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":1100000008724592100},"decimal":true,"detail":2}}'