Prime Factorization of 78

The video tutorial explains the process of prime factorization using the number 78 as an example. It begins by defining prime factorization and then demonstrates the step-by-step process of breaking down 78 into its prime factors: 2, 3, and 13. The video concludes with a request for viewers to subscribe to the channel for daily math and science content.

What is the purpose of prime factorization?

• To find the largest prime number less than the given number

• To divide a number into even parts

• To identify which prime numbers multiply to form the original number

• To find the sum of all factors of a number

Which two numbers multiply to give 78 in the first step of factorization?

• 3 and 26

• 9 and 8

• 2 and 39

• 6 and 13

What is the next step after identifying 2 as a prime factor of 78?

• Subtract 2 from 78

• Divide 78 by 3

• Find the prime factors of 39

• Multiply 2 by 78

Which prime numbers are identified as factors of 39?

• 2 and 19

• 3 and 13

• 5 and 7

• 11 and 3

What is the complete prime factorization of 78?

• 2 x 5 x 7

• 3 x 3 x 13

• 2 x 2 x 19

• 2 x 3 x 13