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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 #1100000009080480045 1,671 digits created 2026-08-13

Value

202837141528823634798617322291797631950577032730602137569396259519537844806798722240639728728493394279362985433143414379455114475096430457900565349258634985588048472684117416375108131794406365075292658354247827484373739144764150685333615282057382407909790384449674398997904626818283768201175076374449740595636446205609418198156307706388585192597289089816847090556740804830539224310218900223309351114094086935608338427069347765071889832014036040703398019468517322117819483424406774508634884750075236489826345216431816023116386292121603730367664916013299573776231172682147361267116570535920551996878932992567614391585817783750800270929653419017644632344692523283438364570833831957476843629776073169952227132922046154682874587435853800954881236234575938317662271271836572469089142207447880495137506654062131514526769331536958510206429686007098594690197232888124771296615987280831862059765362465177906458450477668352040092431151610695819846088126934331276909042476160204846842164479058188400059910283042459329555249459462938823613018204829673965305177792775786121019842343055859192434794079042413009364641092321010873304337189068570256038845287221322146694686734785735185422106022497727268455224891350698554790246859379342057385450691757212886453011204184006445915172888307105104174421705062448093667789583558694955908647850848409184864716003475087629598004361528139464136292737340415959335071122598857418828716238558532006784339497298123868916197175412273822872504738074751427911566075275654746820037105499044732473824467738411189086050661992268646754085447040786484299415900439304885303731378791464706256724149541566169042768996065897607066765993659177468560486543689896253
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 2,062-digit prime (162 intermediate primes).

Certified number2,062-digit prime
Certificatedownload
Certificate chainshow step 37 of 162

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080480045 --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":1100000009080480045},"decimal":true,"detail":2}}'