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

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IMPORTANT

Earn 100

Write any three consecutive composite numbers.

Important Questions on HCF and LCM

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6th CBSE

IMPORTANT

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

What are the two whole numbers that are neither prime nor composite?

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

What is the sum of the first five prime numbers?

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6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Revision Exercise>Q 12

Find the sum of the fifth and sixth composite numbers, and show its prime factorization by the tree method.

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6th CBSE

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Math Sight>Chapter 3 - HCF and LCM>Revision Exercise>Q 13

Raman is decorating a few gifts. He has a roll of red ribbon which is

56 m

long and another roll of golden ribbon,

72 m

long. If he wants to cut these ribbons into the longest pieces of equal length without wasting any part, what length of pieces should he cut?

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6th CBSE

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

Find the prime factorization of:

$441$

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IMPORTANT

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

Find the prime factorization of:

$625$

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6th CBSE

IMPORTANT

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

Find the prime factorization of:

$2145$

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6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Revision Exercise>Q 2

Find the HCF of the following numbers using the prime factorisation method.

$84$ and $108$