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 #1100000008676078248 951 digits created 2026-03-10

Value

126249085369637285171257573344385589763485851326978764388103025371698580420894239749676864429018820180928728929274487820697795222987292777097351743741556494751337952165586152321781018568120548527957622306909472943598251030152961167269682253009065185745121713549740464921283671803957233641888437080448542544407507335513351640450759247452440876893870903035443061448095104362326180221227961809319201431092886055139640555059769799826491803743514573658135430378021326762199797652399327762091262673534094023227689414669118876717756747413229100445976982607359292302243965308766915475232762205543288231531704324628803883574529794285021747165531216281693718674731901207135716975534508818529129903885744686969143376940060159779651643803950808603936777017607663196735300436687809507525390296976046469818847636140021265370510076800470481719723547742125527347307950652899001345593037195193451888454362492987738296572404768212236778005878191100248158415272368465919
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,242-digit prime (136 intermediate primes).

Certified number1,242-digit prime
Certificatedownload
Certificate chainshow step 31 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676078248 --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":1100000008676078248},"decimal":true,"detail":2}}'