HCF & LCM Flashcards

Question 1

Q

HCF is the greatest number that will divide the given numbers completely

Answer

A

Eg: The HCF of 6,18,24 is 6 . Here 6 divides 6,18,24 completely

Question 2

Q

True or false

The HCF of multiples of a number would be the number itself

Answer

A

True

Eg: 3,6,9 are the multiples of 3. Here the HCF is 3

Question 3

Q

The LCM of any two co-prime numbers can be obtained by multiplying those two numbers

Answer

A

Eg :

5 & 7 are co-prime numbers . The LCM of 5 & 7 is obtained by multiplying 5 & 7 ie.35

Question 4

Q

If the numbers are multiples of any number, then the LCM will be the greatest number .

Answer

A

Eg : 5,10,15 are the multiples of 5 , so the LCM will be 15 . You have to keep in mind that 5,10,15 are continuous multiples of 5

Question 5

Q

For any two numbers , the product of the numbers will be equal to the product of their HCF & LCM

Answer

A

Eg 6 &amp; 8
HCF=2
LCM=24
Now,
2×24=6×8