factordbrpc · fdb
Sign in
>
?

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 #1100000009078003828 648 digits created 2026-08-12

Value

379914659083528978704896134221020817370786758013913698047842544751955169560360191825262230949064178586060006609342078096336306000507103568866795500019371809447809712136848709090123486577931077807118450928665014208139793882756758628995004686061435687825308236458365860704246862695232570030269341319486620202673634095274456865180610510283683701176022911400299050022337501921933826204180739768371718479682502766184463827151231601099792433859112383166090512984508875883562804219717642651734954412182204402417799349612512297064817993202761248107707644303472725086142959435182961619593381920490059605368840341971036825371642639689254436356119570706594757
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 127 of the certificate chain of a 2,145-digit prime (171 intermediate primes).

Certified number2,145-digit prime
Certificatedownload
Certificate chainshow step 127 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078003828 --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":1100000009078003828},"decimal":true,"detail":2}}'