Prime Factorization

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors.

Tags

CCSS.4.OA.B.4

Front

Find the prime factorization of 18.

Back

2 • 3²

Front

What is a prime number?

Back

A prime number is a number that has exactly two factors: 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a number that has more than two factors.

Tags

CCSS.4.OA.B.4

Front

Find the prime factorization of 64 using a factor tree.

Back

2 • 2 • 2 • 2 • 2 • 2 (or 2^6)

Front

Find the prime factorization of 33 using a factor tree.

Back

11 • 3

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Tags

CCSS.4.OA.B.4

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor.

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 30?

Back

2 • 3 • 5

Front

How many prime factors does the number 12 have?

Back

The prime factorization of 12 is 2² • 3, so it has 2 distinct prime factors: 2 and 3.