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 #1100000009122751503 912 digits created 2026-08-30

Value

277877200263573223979669743270174769614623613186936973843733783647262328925976323901718691563865326916090376539027271887857458905349843539096199085020417099445930968161371044222826580392239766329889640683604866221163936934240326045960688021510194810036809213923896095038293485274093648164271871173271818973671797644177225321995992994493459999819819832111017444016164391303141029214275984172655469082520614038655016933852531521207740974323083967683161029421990348398997518302697812499303840392569405795899815465947526517747135584853148871230645737516010762893531875266352933329777562213682337843386333783782261095566926517380381596770706524586735899267066513396836171087794870808211864566091559525359001676964311309746557089843487232545407684137987262453026965756663856194226667490637478695401662925475741417947192751271297440805645469560975056560777773185236506495986593918088876378238001585954151297582896284549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 134 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 134 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751503 --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":1100000009122751503},"decimal":true,"detail":2}}'