ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 2

MEDIUM

7th ICSE

IMPORTANT

Earn 100

Find the H.C.F. of the following numbers by prime factorisation.

$15, 40$

50% studentsanswered this correctly

Important Questions on Factors and Multiples

MEDIUM

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 2

Find the H.C.F. of the following numbers by prime factorisation.

$42, 56$

MEDIUM

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 2

Find the H.C.F. of the following numbers by prime factorisation.

$72, 96$

MEDIUM

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 2

Find the H.C.F. of the following numbers by prime factorisation.

$100, 150$

MEDIUM

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 3

Find the H.C.F. of the following numbers by prime factorisation.

$60, 84, 108$

MEDIUM

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 3

Find the H.C.F. of the following numbers by prime factorisation.

$48, 72, 120$

HARD

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 4

Find the greatest number which can divide

66, 99

and

164

leaving remainders

2, 3

and

4

respectively.

HARD

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 5

Find the greatest number which can divide

82, 142

and

162

when

2

is subtracted from each one of them.

HARD

7th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 5 - Factors and Multiples>EXERCISE>Q 6

Find the H.C.F. of the following numbers by Euclid's Algorithm (Division Method).

$198, 282$