FACTORS
Previously, we studied about factors, total number of factors, even and odd factors. Now, we’ll proceed further with more concepts related to factors. Perfect Square Factors: If a number is perfect square then its prime factors must have even powers. Consider a... Factors and Multiples
We all have studied about basic division concepts. In this article, we will further extend this concept to understand factors and multiples. Factors: If an integer x is completely divided by another integer y, then x is said to be a multiple of y; and y is said to be...
Tricks for Divisibility
Previously, we have learned the basics of divisibility and various divisibility checks and rules. In this article, we will learn some shortcuts and tricks for divisibility that will help you solve questions quickly. Without wasting time, let’s get going with the... Divisibility rules for composite numbers
How do we proceed when we are asked to check whether a composite number is divisible by a given number or not? It can be done using a simple method. Method: Step 1: factorize the number. Step 2: The number will be divisible by the composite divisor when the number is... Divisibility rules for prime numbers
How do we proceed when we are asked to check whether a prime number is divisible by a given number or not? It can be done using the concept of seed numbers. Let’s see what this is. Method: Every odd prime number gives unit digit of 1 and 9 in two of their first 10...
