GCF & LCM

Front

What does GCF stand for in mathematics?

Back

GCF stands for Greatest Common Factor, which is the largest positive integer that divides all the given numbers without leaving a remainder.

Front

What does LCM stand for in mathematics?

Back

LCM stands for Least Common Multiple, which is the smallest positive integer that is a multiple of all the given numbers.

Front

How do you find the GCF of two numbers?

Back

To find the GCF of two numbers, list the factors of each number and identify the largest factor that they have in common.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and identify the smallest multiple that they have in common.

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Tags

CCSS.4.OA.B.4

Front

What is a multiple?

Back

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

Front

What is the GCF of 15 and 25?

Back

The GCF of 15 and 25 is 5.

Front

What is the LCM of 3 and 4?

Back

The LCM of 3 and 4 is 12.

Front

Is 6 a factor of 18?

Back

Yes, 6 is a factor of 18 because 18 divided by 6 equals 3.

Tags

CCSS.4.OA.B.4

Front

Is 24 a factor of 12?

Back

No, 24 is not a factor of 12 because 12 divided by 24 does not result in a whole number.

Tags

CCSS.4.OA.B.4