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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 #1100000010595852273 2,058 digits created 2026-10-06

Value

191565571653057622084083369667097783233203663902748769959379384377202991415249504374668813849415101931913566568045185836929832283917517337167411669649432391379141553770498206901860784059927509800928421958950329027284915431950736996052961533099883945105699640669249231188110790144960545561299069371978368166758366357285946648401582378946207666936421947764432227801347407879744794506805866524248061722239726070152644456622844684301034964679025348589214791495774814608113479926759038101724538703493675744273250935844244120535976758442923942099341062139124617298778343508740094396731864143992392201807788498348037350311922633271948219216233937675458831216588610379225555857338640869804426724980429214847073493154624996960470075077069898388276129996769409779680130679623810138215732142537168077337752397119446399900753174438030019365588813827610905138675468637326244312192063317704049927183747845793554812951738210534993331256061715559941022403364431299753648804825632392294867514514329709453940142253366916810113328263811844421648904445269609024949485144597415846808337033671738841618020125802512844043834138481415845592878144448620838615514330084697039425579535417235278782976142424521856214137505907379011297522628615166756949139593579509077850624998161293698460186318577082745919697909158103578922397077657807244410583612049718199574232454304177637090114257101617039768006462403186753792533917551095929119055458221385533550998904139975254473211270813864710634822950851777373083847963314517950718486665449061704317505060038391269508495830298808982176944609814309259043395967289141293078782831217665393836163474676812756287504216885736987766871546497384949558630303679878499100778157334807660403993380286273052929028642145043263214653791624483000349989252549126101672358928976712697987936953785446628061603713570216201494826340254183026550793181786816582179828219493174871446779073883529567196833023591167514398744193761891801349725515441130798392069457029732859404034563429064880824156946485484028666201591011006743212240890326040361783176801390078715271695833
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 3,195-digit prime (232 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 84 of 232

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010595852273 --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":1100000010595852273},"decimal":true,"detail":2}}'