Prime factorization

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

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

What is the prime factorization of a number?

Back

The prime factorization of a number is expressing it as the product of its prime factors.

Front

Is 1 a prime number?

Back

No, 1 is neither a prime nor a composite number.

Tags

CCSS.4.OA.B.4

Front

Find the prime factorization of 30.

Back

2 • 3 • 5

Front

Find the prime factorization of 60.

Back

2² • 3 • 5

Front

Find the prime factorization of 18.

Back

2 • 3²

Front

What is the product of 2 x 3 x 4?

Back

24

Tags

CCSS.3.OA.B.5

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Tags

CCSS.4.OA.B.4

Front

What is the largest prime number less than 20?

Back

The largest prime number less than 20 is 19.

Tags

CCSS.4.OA.B.4