factordbrpc · fdb
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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 #1100000009071981568 1,045 digits created 2026-08-11

Value

1649798503586501616752002819679740808135117095004433154567918699070404585329053668712942270379823137542074719028181247165531528359598538714422137272898801521562154902073365916747563479783004816034521120355151245444581458451056484759978909401206390933670873713131174506344365973008208644644698490053911825363906990177340035576910808046033356961508694753598413838950338746177370081727319204161072008563354615038804388785223938235652947788291335292896289839392256156123426432660181070609978801507689061005577088490402518392882480160882672660149653779986141103568071267167600103318637256350809515633918248399802545422085949996824171900175357414607801552903274195775012265205778802438771599141320438034681944768779280602628520973170681963914480411473584950856677716449681721405126920699651162633116901074399660301766313086032328430101529434246123805500249042796605353205972349830260961645281710735858052180703561539767400734533473601467729836266741555813573740273375772344286918272180777499349012775250449675039471016986400015732091661483291502307459
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,793-digit prime (143 intermediate primes).

Certified number1,793-digit prime
Certificatedownload
Certificate chainshow step 64 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071981568 --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":1100000009071981568},"decimal":true,"detail":2}}'