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 #1100000009084386930 768 digits created 2026-08-15

Value

221232087178234405047335603609286483628053600853397620370670074341756109968257797652296053271478736601872830716523618764855678569553471044996230997542631736034165071746193086045790895505924850405534511626887880284133902807884568390853510777589649739869837642201712677250861920106693675387906548363656984346413720179383263303030240855954749681743991255266586470013270868315055620717070350932683412532868353326011174547185264466255870018277973544260224615951353198104854373464763372918176348870451065730962196368882922766743517850913603988801184875274572973445318310246763016695035675056789741743689237792799459616868908201999468366626921598284297934953450498974765981315283004719318509745246788461330572949253615850437928985878043609595360902634660354950230685359949471
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 1,956-digit prime (156 intermediate primes).

Certified number1,956-digit prime
Certificatedownload
Certificate chainshow step 101 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084386930 --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":1100000009084386930},"decimal":true,"detail":2}}'