GRE Quant Ep 16: Number Properties

Can you efficiently break a number up into its prime factors to answer a GRE Number Properties question? Can you tell whether one number is divisible by another accurately and efficiently? Can you do all this by using your conceptual understanding of the topic and without randomly picking numbers?

In this video, Alex -- a GMAT Ninja tutor -- will show you how to answer GRE number properties question without resorting to number picking. He'll walk you through the concepts and processes you'll need to confidently answer these questions.

This is video #16 in our series of full-length GRE quant lessons. For updates on upcoming videos, please subscribe!

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Chapters:
00:00 Introduction
02:00 Question 1 - LCM, GCF & Greatest Prime Factor
13:02 Question 2 - Positive or negative?
19:54 Question 3 - The number of factors
27:01 Question 4 - Remainders
35:09 Question 5 - Even or odd?
43:15 Question 6 - Remainders part II
50:14 Question 7 - Divisibility of powers
1:00:45 Question 8 - Even of odd? part II