Common Multiples and Common Factors

IMPORTANT

Common Multiples and Common Factors: Overview

This topic covers concepts, such as, Factors and Multiples of Numbers, Factors of Numbers, Multiples of Numbers and Divisibility Rule for 5 etc.

Important Questions on Common Multiples and Common Factors

EASY
IMPORTANT

3 और 200 के बीच कितनी प्राकृत संख्याऍं 7 से विभाजित हैं ?

MEDIUM
IMPORTANT

Consider the following statements in respect of all factors of 360:

1. The number of factors is 24.

2. The sum of all factors is 1170.

Which of the above statements is/are correct?

MEDIUM
IMPORTANT

Find the number of common divisors of 500.

HARD
IMPORTANT

Write the pair of integers whose product is 36 and their sum is 13.

MEDIUM
IMPORTANT

Consider the number N=126×38×53. Which of the following statements is/are correct?

1. The number of odd factors of N is 60.

2. The number of even factors of N is 720.

Select the correct answer using the code given below:

HARD
IMPORTANT

P and Q are natural numbers. If 25×P×18=Q×15. The smallest value of P+Q is

MEDIUM
IMPORTANT

What are the factors of 1112?

EASY
IMPORTANT

The digit in the unit place in the product of 2×2×5×7×7 is _____. 

EASY
IMPORTANT

46×73×54 in this number how many prime factors?

EASY
IMPORTANT

What is meant by factors and multiples?

EASY
IMPORTANT

In the following number, replace * by smallest digit and largest digit to make the number divisible by 3.

*4129

EASY
IMPORTANT

In the following number, replace * by smallest digit and largest digit to make the number divisible by 3.

205*3

EASY
IMPORTANT

In the following number, replace * by smallest digit and largest digit to make the number divisible by 3.

3*215

EASY
IMPORTANT

Find the number of factors of 14, 98, 176 and also their sum.