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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 #1100000009069978203 1,723 digits created 2026-08-10

Value

6248330386272896098479073690359242191581137170764972216094876141959476064705402601844317814045125701186907991708776400137819781475082446960145702389824712925253436573349774295820861812131834166562955068557468909752950487837960886766980743472092493957613086793278990616162984983723298553744353662011581465044346041470471215569480079238192280985517690100019354004704332883428828356290001758823866313821470693770733264874990962322118581548358079898945453828704304439809770950671548148878644022228119109456703246964156272242977535705816603184943604791832019963169486460661112047113430222318322834316520616234645702370051349694120881336717632816820438919413019098966449066983914180606020649828850391566438781613399072039875527727481411439575568755261867036373997170929991249287498642596282551668279980826558620905969445372717709309142483876453269754146065976101896450142607150055882074905333376707582088068344210690403623979651759078155788473560751273703216071138909160071535822197776127853541499688338449373182864354588561797050468313287911492098287934237083295250453805400194608935905755053895126651720049299171929818065628245066991120528512526333160947698726266393770629525652582248146072834681380448833683330333893441723296543459986984918246570020652893771640666345411324522674638583279229376189636857774804530549740989381584545290580866275869649620542348022302722181936378729488187561141629138183990098935371679956104009217716325264151313701823712301836852849832597817121104899425283535760479254936042977707132260004449837937824118668089273590444178469194964949456314403469170226755878189318511301598230536703909402389299154682436705129248831486619068597254621063944076784629368959854850580907147884299174146968816826815371
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,002-digit prime (160 intermediate primes).

Certified number2,002-digit prime
Certificatedownload
Certificate chainshow step 24 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069978203 --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":1100000009069978203},"decimal":true,"detail":2}}'