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 #1100000009028491892 690 digits created 2026-07-31

Value

493703594731902827469809140393083242580344145629095694974160437116886446817082734110674810433046052475074906172372319051922900322635918253972063689356279789894302243112343377923094970533803193073416812002032971235760904481301867039475191814517821701334888701637006062793617230360757982564710810128232681866614518840152506700022661524620329336879596025035904760901347083271367629705737428031038583696356780153443447199386130628784844617420422885468145662693426095404433041622502865254679192246118210894920181176295021401541461526772230479440766834135765052106893038718300259073398906913542522417026936195605596539960698604553503885676757876505495004732254415447369935890172729285087355296813
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 1,207-digit prime (95 intermediate primes).

Certified number1,207-digit prime
Certificatedownload
Certificate chainshow step 42 of 95

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028491892 --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":1100000009028491892},"decimal":true,"detail":2}}'