Least Common Multiple

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of 2, 4, and 6?

Back

List the multiples of each number: 2: 2, 4, 6, 8, 10, 12; 4: 4, 8, 12; 6: 6, 12. The LCM is 12.

Front

What are the first five multiples of 10?

Back

10, 20, 30, 40, 50.

Front

If one neon sign blinks every 9 seconds and another every 15 seconds, when will they blink together?

Back

They will blink together every 45 seconds.

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

Front

How do you find the GCF of 30 and 20?

Back

The GCF is 10, as it is the largest number that divides both 30 and 20.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

Front

What is the relationship between LCM and GCF?

Back

The product of the LCM and GCF of two numbers equals the product of the numbers.

Front

What is a Venn Diagram used for in mathematics?

Back

A Venn Diagram is used to show the relationships between different sets, including their common and unique elements.

Front

If the LCM of two numbers is 60, what could the numbers be?

Back

Possible pairs include (12, 15), (20, 30), etc.