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 #1100000008942580198 1,823 digits created 2026-07-06

Value

17521996325588893498266164603240547541654751907400150905147720749947044122149272856163388768618987011567271292807605485622550971146296034699744673081054317364907479686367842470772214018198345842798582082334032549554087343364108336786481956362550270246357088107898819322024513742874580236767761789163606665576436750175477646745058916902866245997720332487434513218662497177491991114595862863776440366201247468001846066340211440677407880536566858331524586260043184689421731014102255914585829130646051677236044197800504226562409524877897975208114656059141277111148044080228753965558203177930959909076101166718624871479667524398017050220719164264313028008918722917987535942835114625626395970705611074996095499630713232772578216369857509653864770304593865219492993679013612469537952086618374060712958014219900235282266159456547451445998399447109877556764344681941368755640712359765761181032829303689387702561411929188581824041198989326455978887240280012400351410890670371735221982365745387670477867175858593204874198447931106613366117443406185752041917609903183768569948689582970760598946323474037781185338225870673593750893367600134097648203407519698161202462543802995741270387452454755091593379197232174464893247948888530206153312648374209675079809571195202284732069947669345139290625107194330821560318909343233251419358267366421145988116997635651777475035760544990338720663827813611467938615102042622685017843773269191287761282570072858758131303856717440544074422080653436875594213265411522149915611689640742860093046930731412352500696846342330030523600483299976187519129246298413766022954907830454617566857081785923074539340929063884455081941454501991761130655361397143568725609914118186287274656209851730402209061207172697342175957219363433175371272887968284572131389693032913089916589041538283376338187813437580658824784631
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 75 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580198 --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":1100000008942580198},"decimal":true,"detail":2}}'