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 #1100000009048552866 948 digits created 2026-08-05

Value

225465133754970573614028851323752731595288776921896853033109970618009270770590132978450856244119768320678124032243348280925520417398839321061622997077207482500987980413206677192099857603372218725747545872237111705858638764025311296856196754186375779937570708356607041602345187343336026377598345919446105975977959891275149742652859941153723002720049892377995199854723779584606144007066045855451341896414165001046774116432801840067896340300526039944891099293896182678018175651600427666078589655902510151720398680167454465172682580032767734543782533069739147973804591033642958060768064674251159975296425969160819562305882608234929535619230457247114905077509067645779955707164034148743382444386201360519448425791054302931582260698801143034890413363150609997934669289602979868642286044433701503489851019143646922254272908820376359172728021422998846791569285741569469468150329392091898054297797804311462368899439797118396840130368684589850770515515273809
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 1,493-digit prime (115 intermediate primes).

Certified number1,493-digit prime
Certificatedownload
Certificate chainshow step 42 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048552866 --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":1100000009048552866},"decimal":true,"detail":2}}'