Factor Trees

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 prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

How do you find the factors of a number?

Back

To find the factors of a number, divide the number by whole numbers starting from 1 up to that number and check which divisions result in whole numbers.

Tags

CCSS.4.OA.B.4

Front

What is a factor tree?

Back

A factor tree is a diagram that shows the prime factorization of a number by breaking it down into its prime factors.

Front

What are the prime factors of 24?

Back

The prime factors of 24 are 2, 2, 2, and 3.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you determine the GCF of two numbers?

Back

To determine the GCF, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) is the smallest number that is a multiple of two or more numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

What is the relationship between factors and multiples?

Back

Factors are numbers that divide another number evenly, while multiples are the result of multiplying a number by an integer.

Tags

CCSS.4.OA.B.4