Understanding Common Multiples

What is the significance of finding the first common multiple when determining the least common multiple?

• It is always the largest number.

• It is the average of the two numbers.

• It is the sum of the two numbers.

• It is the smallest number that is a multiple of both numbers.

What is the least common multiple of 5 and 6?

• 30

• 15

• 25

• 20

When listing multiples of 5 and 6, which number appears first in both lists?

• 30

• 20

• 25

• 15

What is the least common multiple of 10 and 2?

• 20

• 10

• 30

• 5

Why is it important to continue listing multiples if the LCM is not found initially?

• To find the largest common multiple.

• To ensure all possible multiples are considered.

• To verify the accuracy of the first multiple.

• To practice multiplication skills.