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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 #1100000008678061233 1,192 digits created 2026-03-11

Value

4130217040202908930888070352702327351720370498332429990505774702622966221066181348367088848066759692075587133819214961373590380897953578487719350082563627032866916295627741423545201287182847268760922170680828705642734735622238387568316533606161815320056970915419005177194049043578462029674914190470285205461022930243799058295018518157551956286144481517441541168298185667179938049013730128191103193485323591925003119574243689286445862013447761501513426564971114540171571530653806236104869564483717657394869734653518997673594766750121544049041014284198774310992964682642397417607104516900448027944284528367015730461724358791882051304340923742738510532593467223461851299865504029619710353579138799192807705387479203821934815841679690167304925822114910571926552245832673884748837437090492631034518417830970790558929236486107093255172345695026288376174279195755678615716343785794856762132107226855922547344238985187227384642053280728632031677010798484440458057611234601485368264629959859210500889476558266246230626620303688829575030639710663388281711634391800859729436548735273335635799472997483712323409093949373062359471310822113209349141445541838887620035735231804458320699698089034337922267131
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,798-digit prime (188 intermediate primes).

Certified number1,798-digit prime
Certificatedownload
Certificate chainshow step 63 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678061233 --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":1100000008678061233},"decimal":true,"detail":2}}'