Prime factorization

Front

What is prime factorization?

Back

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

Front

What are prime numbers?

Back

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

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

What is the prime factorization of 12?

Back

2² x 3

Front

What is the prime factorization of 30?

Back

2 x 3 x 5

Front

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

Back

Start with the number at the top, divide it by prime numbers, and continue until all branches end in prime numbers.

Front

What is the prime factorization of 36?

Back

2² x 3²

Front

Which of the following is NOT a prime number: 2, 3, 4, 5?

Back

4 is NOT a prime number.

Front

What is the prime factorization of 75?

Back

5² x 3

Front

If a number has only two factors, what can we say about it?

Back

It is a prime number.