Prime Numbers and Factorization Concepts

What is a prime number?

• A number that can only be divided by 1 and itself.

• A number that can be divided by many numbers.

• A number that is always even.

• A number that is always odd.

What is a composite number?

• A number that can only be divided by 1 and itself.

• A number that can be divided by more than 1 and itself.

• A number that is always odd.

• A number that is always 0 or 1.

Which of these numbers is a prime number?

• 4

• 6

• 7

• 9

What is the prime factorization of 50?

• 2 x 25

• 5 x 10

• 2 x 5 x 5

• 2 x 3 x 5

What are the unique prime factors of 120?

• 2, 3, 5

• 2, 4, 5

• 2, 3, 6

• 3, 5, 10

Which of these shows the prime factorization of 280?

• 2 × 2 × 5 × 7

• 2 × 2 × 2 × 5 × 7

• 2 × 2 × 2 × 7 × 7

• 2 × 5 × 7

How many times does the prime factor '3' appear in the prime factorization of 540?

• One time

• Two times

• Three times

• Four times

What is the prime factorization of 10,800 using exponents?

• 2^3 × 3^3 × 5^2

• 2^4 × 3^2 × 5^2

• 2^4 × 3^3 × 5^2

• 2^4 × 3^3 × 5^3