Prime Factorization and LCM Quiz

What is the first step in finding the LCM using prime factorization?

• Divide the numbers by their greatest common divisor

• Add the numbers together

• Find the prime factorization of each number

• List all multiples of the numbers

Which of the following is the prime factorization of 32?

• 2 * 16

• 4 * 8

• 3 * 11

• 2^5

How do you arrange the prime factors in the table?

• Randomly

• By the largest number first

• By the highest occurrence of a prime factor

• By the smallest number first

What is the LCM of 15, 32, and 66 as calculated in the video?

• 3,840

• 480

• 5,280

• 1,920

Why is prime factorization preferred over listing multiples for finding the LCM?

• It is the only method available

• It is more accurate

• It is faster and more efficient

• It requires less mathematical knowledge