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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 #1100000009057154161 1,230 digits created 2026-08-08

Value

139754650879039825089668774245961411405503275113114556700157715532522203823576364042250589429674572108282994257116313600782552304131054892060237474199936255829838446629644773343185502257157704981632598554963213785348967393959958850534029535296599192972917843584164988343717632603439873134096584864379490300408825889580286380411939328804521485316922391964966414263949268224825521888045698118112263579096030401462863055513932923090287586032078290348906037506336740713695166591346392469285569246419837595986576277663997502033233979345619373655331279059058383999706037676985915893530000184247056548932567713870873798154552192706950247537719573153517760183811821554808816736472800834334479399325819045525818502095722288063449760586979325932980151708361675044040158939450606467855653525276160661978827273296011767265441703559340652004228472956109643124505100396534608847382638879254461506057498185226780225750049113043561194507151934744422918581536731217273812386667486499890179679866136419672201955781296675958929513020089150741115408063193950287541661613302502630297557651037968125116928090231241472254509205700801637358748584316993182939070101245164737315069435803284755295834130658201905631158285706508672862000895327819412630247509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,664-digit prime (134 intermediate primes).

Certified number1,664-digit prime
Certificatedownload
Certificate chainshow step 37 of 134

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057154161 --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":1100000009057154161},"decimal":true,"detail":2}}'