EASY
6th CBSE
IMPORTANT
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Find the least common multiple of 8, 15 and 20 by prime factorization method.

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Important Questions on Factors and Multiples

EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 1>Q (i)

Find the HCF of 24, 60 by prime factorisation method.

EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 1>Q (i)

Find the HCF of 48, 64, 80 by prime factorisation method.

EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 1>Q (ii)
Find the HCF of 72, 140, 256 by division method.
MEDIUM
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 1
Rishitha and Lohitha are twins. They play a game in which they open a page of a text book printed in English. From the first letter of the page, Rishitha strikes every 12th letter and Lohitha strikes every 18th letter. If they strike the same letter 17 times in the page, then find the minimum number of letters in the page selected.
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 1
The HCF and the LCM of two numbers are 2 and 12. Find the possible pairs of numbers.
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 2
The number of factors of 24 is
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 2
The greatest 2-digit multiple of 8 is
EASY
6th CBSE
IMPORTANT
Pearson IIT Foundation Mathematics>Chapter 2 - Factors and Multiples>Exercise 2
The greatest common factor of 9 and 15 is