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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 #1100000009015272516 2,371 digits created 2026-07-29

Value

6458867049902626939620024590860225604351832252514390361255367655141828036273005399919705432381177512906544035089672975120404906555951986844476138905502022595829609197212674513752207199554702253057735740835460537606144042335954444922306691791966534449139973816070748445940224481159125594156442236021392681711080115637868740190913719084394358055019469341517617041695172077919783426250465812605845722102589911402875454858855843351158669549639477135724718496257412790467515790845896334671108246555154565926011872244236355092836907195809139297870009076922069745959058197419486283962390131044433675631449132482688442301780810774788573412152715354387166048701699030151800004786713433192254984513075799684749186994947677484099189475170146197655684195694212920703217383054556237297959104817996505241555470932455170200459831976158656089980073101554659537108373539637255291757912750721675678004531113174818394522024433282829763341591802855540182282297815180076629718189100099117371245840538500270931863186237542742572283092619715624505964852180985001301435027997835587957939838910603910534162173528080160737830509411605303082971483791695247509019667520299292597599117207451601025649423424151422286007042132453539056284727732923721026875567270858833197953201463199643426599101671956601586184034017004178953373144613367636742707090368681072289881425714886534587894682145545088851162770506639845618567515852644047900535205495918152486017357205797879788485465944803738116935709896465669308974557977930273074280771741682911470120324016313947831187040572130377345938542069271495974611906532136587873394524697859528747023776789787907571364472566272852759628415910692677257954852823487357633897286891638845285575732188261151276733188719928982069036761171652148039743591951713836878602327696759897000117107796447288841534429313009907365512595258683926787201255993589080207821957599094238177018821670284014523521517577245110464562455433859671370831207281849378789173093711425245110501127812285332529362760684540586550294264017722022502610783472089203169439431706660323727928592804677392316071719776000722347372974161879519850586780119278278809686795036559341830363367829564312586010703355636752185716063573005496071375364238159649141773931319452538952034604079625516488139251021314383189343962063368196732234144267337042821232357110946233733805715639931483969448508352604776477245002496800113
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,703-digit prime (190 intermediate primes).

Certified number2,703-digit prime
Certificatedownload
Certificate chainshow step 24 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009015272516 --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":1100000009015272516},"decimal":true,"detail":2}}'