Least Common Multiple

Front

What is the definition of the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more integers is the smallest positive integer that is divisible by each of the integers.

Front

How do you find the LCM of two numbers using prime factorization?

Back

To find the LCM using prime factorization, factor each number into its prime factors, then take the highest power of each prime that appears in the factorizations and multiply them together.

Front

What is the LCM of 1 and any number?

Back

The LCM of 1 and any number is the number itself.

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The relationship is given by the formula: LCM(a, b) = (a * b) / GCD(a, b).

Front

What is the LCM of 6 and 8?

Back

The LCM of 6 and 8 is 24.

Front

How can you find the LCM of three numbers?

Back

To find the LCM of three numbers, first find the LCM of any two of the numbers, then find the LCM of that result with the third number.

Front

What is the LCM of 12 and 15?

Back

The LCM of 12 and 15 is 60.

Front

What is a multiple?

Back

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

Front

What is the smallest multiple of any number?

Back

The smallest multiple of any number is the number itself.

Front

How do you determine if a number is a multiple of another number?

Back

A number is a multiple of another if it can be divided by that number without leaving a remainder.

Tags

CCSS.4.OA.B.4