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 #1100000009040167134 599 digits created 2026-08-02

Value

43212840858142500944886100823531016549215880270103687889557217919158874607853088426156725687390776470193946761793051791816102064883934921872595651407457911972048054506601504004768712999403547328858714498910780754915243664553226251327340382775315910723255590375199893921925635425992011850811461664705038834347065007346023150135775945348113266867108351813478704860206018318872673181149520910484340047414474239590615808872937750312341747852711920115040072056657582281196143371107890373396779716742375783783895164194279338524812916912944192438766971161459502398219901705349124118639872434346709099233381
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,258-digit prime (99 intermediate primes).

Certified number1,258-digit prime
Certificatedownload
Certificate chainshow step 56 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040167134 --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":1100000009040167134},"decimal":true,"detail":2}}'