Prime Factors

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.

Front

What is the prime factorization of 50?

Back

2 x 5 x 5

Front

What is a factor tree?

Back

A factor tree is a diagram used to break down a number into its prime factors.

Front

Use a number tree to find the prime factorization of 105.

Back

7 x 5 x 3

Front

What are the first five prime numbers?

Back

2, 3, 5, 7, 11

Front

What is the prime factorization of 75?

Back

3 x 5²

Front

Which of the following are all prime numbers: 2, 3, 6, 7, 9?

Back

2, 3, 7

Front

What is the prime factorization of 12?

Back

2 x 2 x 3

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly two distinct positive divisors, while composite numbers have more than two.

Front

How do you find the prime factorization of a number?

Back

You can find the prime factorization by dividing the number by prime numbers until you reach 1.