English

Find the LCM and HCF of the following pair of integers and verify that LCM × HCF = product of the two numbers. 336 and 54 - Mathematics

Advertisements
Advertisements

Question

Find the LCM and HCF of the following pair of integers and verify that LCM × HCF = product of the two numbers.

336 and 54

Sum
Advertisements

Solution

336 = 2 × 2 × 2 × 2 × 3 × 7

54 = 2 × 3 × 3 × 3

L.C.M of 336 and 54 = 2 × 3 × 3 × 3

L.C.M of 336 and 54 = 3024

H.C.F of 336 and 54 = 6 

We know that,

L.C.M × H.C.F = First Numbers × Second Number

3024 × 6 = 336 × 26

18144 = 18144

Thus, LCM × HCF = Product of two numbers.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Real Numbers - Exercise 1.2 [Page 11]

APPEARS IN

NCERT Mathematics [English] Class 10
Chapter 1 Real Numbers
Exercise 1.2 | Q 2.3 | Page 11
RD Sharma Mathematics [English] Class 10
Chapter 1 Real Numbers
Exercise 1.4 | Q 1.3 | Page 39

RELATED QUESTIONS

Consider the number 6n where n is a natural number. Check whether there is any value of n ∈ N for which 6n is divisible by 7.


Check whether 6n can end with the digit 0 for any natural number n.


A merchant has 120 liters of oil of one kind, 180 liters of another kind and 240 liters of third kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be the greatest capacity of such a tin?


Find the LCM and HCF of the following integers by applying the prime factorisation method:

40, 36 and 126


Find the LCM and HCF of the following integers by applying the prime factorisation method:

 24, 15 and 36


The HCF of two numbers is 145 and their LCM is 2175. If one number is 725, find the other.


Write down the decimal expansions of the following rational numbers by writing their denominators in the form 2m × 5n, where, mn are non-negative integers.\[\frac{129}{2^2 \times 5^7}\]


Express the number as a product of its prime factor:

3825


Find the greatest number consisting of 6 digits which is exactly divisible by 24, 15, 36?


The sum of the exponents of the prime factors in the prime factorization of 1729 is


The number in the form of 4p + 3, where p is a whole number, will always be ______.


For some integer q, every odd integer is of the form ______.


Can two numbers have 18 as their HCF and 380 as their LCM? Give reasons.


Show that 12n cannot end with the digit 0 or 5 for any natural number n.


Statement A (Assertion): If product of two numbers is 5780 and their HCF is 17, then their LCM is 340.

Statement R (Reason): HCF is always a factor of LCM.


If HCF (72, 120) = 24, then LCM (72, 120) is ______.


The prime factorisation of the number 2304 is ______.


The prime factorisation of the number 5488 is ______.


Three bells toll at intervals of 9, 12 and 15 minutes respectively. If they start tolling together, after what time will they next toll together?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×