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 #1100000009018820128 788 digits created 2026-07-29

Value

43313192753346035944109422140358342246047961308598177583863903243476977934216174065071661220032306323953892071865728105101630763045472929205446877398824802807437366807652051636651690683612995266402065910099637948015473586871771084554820062485152274759332347913896462697815341988801621440312487039819815765785766076693626488918299994727603471828347731139909524957090037409284641404954245110618013796580565765754007246720095023290843906062663070751430926305406430607582014475421217239523650513542392456960683775127868192623883434713035344643199460839103222236963504102997431297827229215066084319071733160180949566813722097257561893890628976884150275521602512841271334707525326064012875958479545647787304184246766125609647557811469770559168588944906758189004010885404896260650003741747429527
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,025-digit prime (87 intermediate primes).

Certified number1,025-digit prime
Certificatedownload
Certificate chainshow step 24 of 87

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018820128 --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":1100000009018820128},"decimal":true,"detail":2}}'