EASY
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Find the L.C.M. of the given numbers by division method:

16,22,40

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Important Questions on HCF-LCM

MEDIUM
What is the largest two-digit number which when divided by 6 and 7 gives the remainder 3 and 4 respectively?
EASY

What is the LCM of x3+8, x2+5x+6 and x3+4x2+4x ?

EASY
How many numbers from 1 to 1000 are divisible by 23,4 and 5?
HARD
How many ordered pairs a,b of positive integers with a<b and 100a, b1000 satisfy gcda,b:lcma,b=1:495?
EASY
The least number which is exactly divisible by 5, 6, 810 and 12 is:
MEDIUM
Find the LCM of 257, 1528, 2021,
EASY
The least number which is exactly divisible by 4, 5, 8, 10, and 12 is _____.
EASY
If x is a prime number, LCM of x and its successive number would be:
EASY

Use the given number line to list the common multiples of 2 and 4.

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MEDIUM

72 is a multiple of 6.

MEDIUM

Find the first two common multiples of 2 and 6.

MEDIUM

Find the first two common multiples of 10 and 5.

MEDIUM

Find the first two common multiples of 2 and 4.

MEDIUM

Circle the numbers that are multiples of 8.

3, 8, 16, 20, 24, 28, 30, 32, 40, 41, 42, 48, 52, 56, 60, 63, 64, 72.

MEDIUM

Mark with a red dot all the numbers which can be divided by 2.
Mark a yellow dot on the numbers which can be divided by 3 and a blue dot on the numbers which can be divided by 4.
Which are the boxes which have dots of all three colours?
What are the letters on top of those boxes?
Write those letters below in order.

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MEDIUM

Find the first two common multiples of 4 and 8.

MEDIUM
To play this game, everyone stands in a circle. One player calls out ‘one’. The next player says ‘two’ and so on. A player who has to call out 3 or a number which can be divided by 3 has to say ‘Meow’ instead of the number. One who forgets to say ‘Meow’ is out of the game. The last player left is the winner. Which numbers did you replace with ‘Meow’? 3, 6, 9....
MEDIUM

To play this game, everyone stands in a circle. One player calls out ‘one’. The next player says ‘two’ and so on. One who forgets to say ‘Meow’ is out of the game. Play the game by changing the number to 4. Now, which numbers did you replace with ‘Meow’?

These numbers are the multiples of 4.
 

MEDIUM

96 is a multiple of 9.

MEDIUM

48 is a multiple of 3.