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

What are prime numbers?

Back

Prime numbers are numbers greater than 1 that have no positive divisors other than 1 and themselves.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

Composite numbers are numbers that have more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

Is 1 a prime number?

Back

No, 1 is not a prime number or a composite number.

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 32?

Back

2 x 2 x 2 x 2 x 2 (or 2^5)

Front

What is the prime factorization of 64?

Back

2 x 2 x 2 x 2 x 2 x 2 (or 2^6)

Front

Which of the following is NOT a prime number: 29, 23, 17, 39?

Back

39 is NOT a prime number.

Tags

CCSS.4.OA.B.4

Front

How can you find the prime factorization of a number using a number tree?

Back

You can divide the number by prime numbers until you reach 1, writing the factors at each step.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Tags

CCSS.4.OA.B.4

Front

Can a prime number be even?

Back

Yes, the only even prime number is 2.

Tags

CCSS.4.OA.B.4