Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 4

EASY

6th CBSE

IMPORTANT

Earn 100

Write all multiples of:

$21$ between $100$ and $200$

Important Questions on HCF and LCM

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 5

Can the product of two prime numbers be prime? If yes, give an example.

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 6

Are

27

and

72

co-primes? If not, why?

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 7

Write all the prime numbers between

30

and

50

.

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 8

How many even prime numbers are there in the set of natural numbers? List them.

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 9

Write all pairs of twin primes less than

20

and find whether

49

and

51

are twin primes or not.

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 10

Write six pairs of co-prime numbers.

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 11

Write the multiples of

17

between

100

and

150

.

EASY

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 1

Test whether

168

is divisible by

2

?