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 #1100000009037628913 1,023 digits created 2026-08-02

Value

864791884161788617946177075256023936652076776166114580665009742704485482030371883366954594022872895964298688229474938628553390930604609087665513861496658231388565721324930486030035007360450169235015545158676299404597064954974615920614514798063485594961808286321521375701286715347520771006495416574409341415866882212580456764243043400469535247888505090370062429311057418927703008032889825088472800255379615875822494011969536461179377322597773597153126688102221005692359164078604082913835345782628241528945141747576626947493679332508645821063131684267039759054923524903005881652291352298264149601516975363937493024808270929955093198525477817831412491778692210717238692623743351031132909427766388887943685002894436958206501003174692011656970327288277530474493760726242617804258683460365550828016063462444275636260054489848930051183633791871377446620207211109014652325873556882829227811363651960181427481960288743272410657207446409646536356878413171239116339850816223395812067225116266084258199959013901645557554508214478977881
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,247-digit prime (104 intermediate primes).

Certified number1,247-digit prime
Certificatedownload
Certificate chainshow step 25 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009037628913 --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":1100000009037628913},"decimal":true,"detail":2}}'