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 #1100000009056643685 951 digits created 2026-08-08

Value

142541225291471373007531152477495434185094267746669228525779892616233722538568461584857674811837841626039105610403758844478702594354690973098207917181224649431248375680128304139556565668880088654828814089359349058268540242246911048901607757989257688521219820186292941470074649067642188358937364035440451897007442315358999361819588859107652268824508097949814785223745489076714291810111530884725105145909716827938207578886273567871802985700908356668777746651353428561524337248719927079733255107283197110402086636854991434378508663556781180357473138366597496759759273174139619517214440014413356853988191324181873698698713752391032254902455220017523397290487493371178947417096623960855341340977614320821313131901552903379756410124500905989635423964823789609785526322275697978923346267699028049814992285933600506070743160142493722823519061572087103347314874918291897403720062930889605165993241145939917813903296969837551194872874506580853446205689175525983
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 127 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 127 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056643685 --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":1100000009056643685},"decimal":true,"detail":2}}'