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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 #1100000009023231785 1,013 digits created 2026-07-30

Value

39278620202391104002514952497505971622509547414508130937910990447876168129369302515063918803054758810959614911787817016187359074485969022682455589462720116204827698162211937471825621636554864055308140019487253851739798625181317823967055903723847285094392694310125147332568905176644940772836159395637991247544566892437433244322949853970353622030491868673349855094257692847824759240625071959145241894408199680446018224461579734035498178298619374782964816286912880951045037283021865152364444622097623708186665612943122863387212216880152238129905913236221189407066384168399725041024685160158493278219081382318433936879693879787644722730141522507729507187186002054296587740953446017105977133367836441653680260232145943692957384642249440320190554097440629222066083455106627789223423582288979419586337625800146389752790445168386405813566794701480552439581298380738295270138158860211116475287212675895249462981207626279198362234860263838212669348533823708353097182502518780302510327886705149259499202147977387623087052649
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,136-digit prime (104 intermediate primes).

Certified number1,136-digit prime
Certificatedownload
Certificate chainshow step 15 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023231785 --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":1100000009023231785},"decimal":true,"detail":2}}'