LCM and GCF 11/12

Front

What does LCM stand for and what does it represent?

Back

LCM stands for Least Common Multiple. It represents the smallest multiple that is common to two or more numbers.

Front

What does GCF stand for and what does it represent?

Back

GCF stands for Greatest Common Factor. It represents the largest factor that is common to two or more numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, you can list the multiples of each number and find the smallest multiple that appears in both lists.

Front

How do you find the GCF of two numbers?

Back

To find the GCF of two numbers, you can list the factors of each number and find the largest factor that appears in both lists.

Front

What is the relationship between LCM and GCF?

Back

The relationship is given by the formula: LCM(a, b) * GCF(a, b) = a * b for any two integers a and b.

Front

What is a common factor?

Back

A common factor is a number that divides two or more numbers without leaving a remainder.

Tags

CCSS.4.OA.B.4

Front

What is a common multiple?

Back

A common multiple is a number that is a multiple of two or more numbers.

Front

Find the LCM of 4 and 5.

Back

The LCM of 4 and 5 is 20.

Front

Find the GCF of 24 and 36.

Back

The GCF of 24 and 36 is 12.

Front

What is the GCF of 15 and 25?

Back

The GCF of 15 and 25 is 5.