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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 #1100000009055089052 2,235 digits created 2026-08-08

Value

532300656891370445771264031108048327739109694259479463998786611184466976533913326944086749556607706729031886310210422435715130254563810125500533544097854788090903283712418121307146318525973115795251202639409088691093356838668175582413828484550728670734626478174546487920177319536015892822724531821878461012358970296747024364288341485445455438897146432304206589692178120473998307815233186712463615251852945627183173425767351757211196871075092732056951226317355329065634731699437096795776911809946528696599428925636256512055487091812223538501895544208931583056716344835699795145645751501193579892915642707683992778504699060889781670297708213485179543569093448237182440894720369888378954348967858151286622684039184020075545441791235703235429597073959252615952297359851624624050950872952004903071501707953322364054167734836956295641484036028441849701024379007785369433738356113700725283630189197110350391468155819223053995559179000680484884392440629592488694385733430487045505543872504416725459498597656051595866175560278732248490606648305317966376696403909841444947880441877116465121485120973840058079189069163398738128274704785147070009833393243194131950807597048625680438551440887446462619992601553315225403360487909766320926004740559120184473746488149260261649103514503414356316023965741269072991341027409298079486149501392097187874783824128414215086162643543708055638363683924754826334036522475673220241013740639510022181919416670895752153123697180035056362427960886358090021788074067455731291783274542120937210224310554274998227980574100694623397948080182840117387340829513945306131618539558292358199654388768511225264885379383114068217554367869886985586435301752509437816451949680426982295906053108129667517982773980504258154942830354549093476221947885268205631916287441983139630260338703024761879862727680279558899493114472318315662482884727027406756194553301847165637222396000079387561324802252328240785884342997847077224133439076922597601471906144639772894133423789303343310428533662658582826267006604940439925933953378763820918652968365644116134317280725936714013391473006613163569235987738150663733728172890916557717656579572027945281319447127632439473699651188446763956280420258048995272431225870438644675148086174318973154657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,523-digit prime (197 intermediate primes).

Certified number2,523-digit prime
Certificatedownload
Certificate chainshow step 27 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055089052 --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":1100000009055089052},"decimal":true,"detail":2}}'