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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 #1100000009074404828 1,047 digits created 2026-08-11

Value

743500432172584773771661730678233062240727367103673787714182560604578105791538314502151919106936306267872175570886534401370286460463017597878407884391391272771888206559650041701190435456624141658790016154977246419458886593527416608883919796236416500700366649387435520766428831435124970947804311100669933209163077524433199346833115667868027543304475581747818792815463494275512255179234355374841533517966771849389068346621586755132446398366445948845357126046109295376335789692727669755973942015665391510176358674181299169518238139365524907969727287057615068547352555770697544908997377550137538105283941261549850955875022720603129313860262181437596635744159171616902710589139048424510165230310027969394667198785294429476142757279206755927871614069282100082102285388249371421385926369726028769844562430508942544895809767733431872349488767267095243218474255471994270441642168029696429949521349661100852185115991716617635096147178460447973553554879381050570711856623551356333085355897560104349330697583124758887363042138212375378657254420068701796656619
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 86 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074404828 --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":1100000009074404828},"decimal":true,"detail":2}}'