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 #1100000009023213840 542 digits created 2026-07-30

Value

28607869640156909605083212773530191317258542207833795757843249402719586954105426989809454172942108675738514736105656660460986996519946467112847171345536859786790716774010070909148232415261199479577807868783094580768536857786378328157706181729875410335034924397163780227638900699837145303377110151219448474917012183354079003619635647371388696966283375928349566670312388549434247535870192226104887260556748055148690255833025964354643682602205788544815030700349764497386458164236828136959629403255679612136017318067267227494450651309647245842383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,136-digit prime (95 intermediate primes).

Certified number1,136-digit prime
Certificatedownload
Certificate chainshow step 53 of 95

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023213840 --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":1100000009023213840},"decimal":true,"detail":2}}'