Least Common Multiple (LCM)

Q. The smallest number that is divisible by both 3 and 6 is.

Q. Choose the answer from the slider: Find the least common multiple of 3 and 4 using the number line shown here

1. 12

Q. Evaluate the least common multiple of $21$ and $28.$

Q. The LCM of 10 and 15 is

1. 30
2. 15
3. 10

Q. LCM of $27$ and $21$ is

1. $189$
2. $63$
3. $21$
4. $195$

Q.

Find the LCM of $6$ and $18$ in which one number is the factor of other. What do you observe in the result obtained?

Q. The least common multiple of two numbers is the (largest/ smallest) number that can be divided evenly by all the given numbers.

Q. LCM of $7$ and $11$ is

1. $1$
2. $7$
3. $11$
4. $77$

Q. Santa wants to distribute sweets to Grade 6 students on Christmas morning. Grade 6 has Section A and Section B, having $10$ and $15$ students, respectively. The Section in which Santa will distribute sweets will be either A or B. Find the least number of swets that Santa must carry with him such that every student in section A or B receives an equal number of sweets.

1. 30
2. 60

Q. LCM of $4$ and $12$ is

1. $48$
2. $12$
3. $24$
4. $96$

Q. The common multiples of 5 and 6 are 30 and 60, and the least common multiple of them is 60

1. True
2. False

Q. Choose the following:
is the least commom multiple of 7 and 8

1. 56
2. 14
3. 16

Q. Jackson and Levi were jogging on a circular track. In a given duration, Jackson covers one round of the circular track in 3 minutes while Levi covers one round in 2 minutes. On one evening, they started together from the same starting point and in same direction. Find the least number of minutes after which they again meet at the starting point.

1. $2$
2. $3$
3. $6$
4. $12$

Q. LCM of $15$ and $18$ is

1. $270$
2. $30$
3. $9$
4. $90$