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 is a prime number?

Back

A prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

Use a factor tree to find the prime factorization of 64.

Back

2 x 2 x 2 x 2 x 2 x 2.

Front

Use a factor tree to find the prime factorization of 42.

Back

7 x 3 x 2.

Front

Use a factor tree to find the prime factorization of 32.

Back

2 x 2 x 2 x 2 x 2.

Front

What are the prime factors of 30?

Back

2, 3, and 5.

Front

Is 5 a prime or composite number?

Back

Prime.

Tags

CCSS.4.OA.B.4

Front

Is 10 a prime or composite number?

Back

Composite.

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 18?

Back

2 x 3 x 3 or 2 x 3^2.