My Math Forum  

Go Back   My Math Forum > College Math Forum > Number Theory

Number Theory Number Theory Math Forum


Reply
 
LinkBack Thread Tools Display Modes
March 21st, 2018, 12:47 PM   #1
Senior Member
 
Joined: Apr 2016
From: Australia

Posts: 243
Thanks: 29

Math Focus: horses,cash me outside how bow dah, trash doves
Updated questions

my apologies, the last one had errors galore, see updated questions.

Q0)
Show that the radical of the product of all distinct composite factors of n that are strictly less than n is equal to 1 if and only if n has at most two prime factors.



Q1)
Show that if the radical of the product of all distinct composite factors of a n that are strictly less than n is equal to the radical of n itself then n is a practical number.
Adam Ledger is offline  
 
Reply

  My Math Forum > College Math Forum > Number Theory

Tags
questions, updated



Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Limits: One-Sided (updated) steve0610 Calculus 1 January 28th, 2016 04:57 PM
Updated asin arithmetical function PKSpark Computer Science 7 February 28th, 2014 02:16 AM
Double integral HELP *updated* queenie_n Calculus 5 January 1st, 2013 06:05 PM





Copyright © 2018 My Math Forum. All rights reserved.