Greatest Common Factor

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

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

Back

To determine if a number is a factor of another number, divide the second number by the first number. If the result is a whole number with no remainder, then the first number is a factor.

Tags

CCSS.4.OA.B.4

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) is the largest positive integer that divides all the numbers in a given set without leaving a remainder.

Front

How can you find the GCF of two numbers?

Back

To find the GCF of two numbers, list the factors of each number, identify the common factors, and select the largest one.

Front

What are the factors of 12?

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Tags

CCSS.4.OA.B.4

Front

What is the GCF of 48 and 64?

Back

The GCF of 48 and 64 is 16.

Front

What is the GCF of 30 and 49?

Back

The GCF of 30 and 49 is 1.

Front

What is the GCF of 35 and 47?

Back

The GCF of 35 and 47 is 1.

Front

What are the factors of 25?

Back

The factors of 25 are 1, 5, and 25.

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 48?

Back

The prime factorization of 48 is 2^4 × 3.