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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 #1100000009080279639 1,069 digits created 2026-08-13

Value

4034935057393539580863990773653836479086094244120309361460357796710932577073729672457062441789536799608789121441182246568183996151684599493548821064741042355204806713056954873087319271202033118487879748228090788783072318359473729392827489058652823116406192613241015740598813508756656523980416604538624277920382391968108430072159956840974798241633264588898635039576392268013973246027547690612272602575939677449537999481693850790419600213353108068406184189012106815924798888653423583443296001520827535199966782616405921625161919050118198649882387035174949030765065036792680161988969271460043057181433839984353781041970281507875112730101672070181886850181019336186745770355171112370532556836730756834729574650669378060865119409425461366838330821762778780425731938139502620672522725893406473354642455429481484781531990253937364329795177367627041048337024246949469914744987873787539381023714731842228106430151946866671794262209893451693382807562794352968091684721040027911910343485125079823427808109369127733083895898323746736910978778536276178876820438537179453134957557357
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 1,868-digit prime (143 intermediate primes).

Certified number1,868-digit prime
Certificatedownload
Certificate chainshow step 68 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080279639 --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":1100000009080279639},"decimal":true,"detail":2}}'