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 #1100000009072515905 1,607 digits created 2026-08-11

Value

12436463020884403840241333803299781371397209362867672330650137363678460963200492413755273094766628234505448245059750127487046120176674603247810141778633137741496162655278867325093737478326319212697093104613371620914759988854977665702700444406543796809083284199996930972304771892354706241804597068211271568848037812617776801388342784714222972344036969313164184336322879205885664543392695486364694725849488687262101646969013925494606010134370451725266936967044338802114428295447360797486444424113491348871119598621182842421195607516198116638306218008581802041373153093842161760735047133839814275833867938685266011411164332484995999436701567708213881903671487951818115006931350202748396655438243489522314651980815251062878124936225254463763924472216766068722039728229095912046913355768226863638460211069031905575949087187939507277740573934737071408623027766185431427900882060501561298556546060731375595473902152231740282071343748175694795250701947390124941107787166766458936658354018835026122897862433952340238503218280118262346720201811287532552818903904502470307749411344981581933335574200627535046974090691287432311743447062778146106471941842825264636936896409581567164544857235524267036727612712998053229401165698844066105973270080286494363400239304361463863069152715387869234391131454548140612881393848280593411946896406857086546924914841261266875418369999693033528649578970544227981331367538132963266064948957754761131725568398663087194650267816168004778774326851849394266451890206618245835268239715608592305273537698201698583585951730151287792183473655853909434275302965415255246644477704111780380825781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 2,646-digit prime (195 intermediate primes).

Certified number2,646-digit prime
Certificatedownload
Certificate chainshow step 83 of 195

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072515905 --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":1100000009072515905},"decimal":true,"detail":2}}'