How to apply the prime factorization of a number, 64

The video tutorial provides strategies for prime factorization, focusing on shortcuts and tips for handling large numbers. It explains how to determine divisibility by 2, 5, and other numbers, and demonstrates the process with examples. The tutorial emphasizes understanding the concept without relying on calculators.

What is the first step in factoring a large even number?

• Check if it's divisible by 3

• Divide it by 2

• Subtract 1 from it

• Multiply it by 5

If a number ends in 5, which number is it definitely divisible by?

• 7

• 2

• 3

• 5

Which of the following numbers should you check for divisibility if a number is odd?

• 2, 4, 6

• 8, 12, 16

• 3, 7, 9

• 5, 10, 15

What is the prime factorization of 64?

• 4^3

• 3^4

• 2^6

• 2^5

How can you express 64 using powers of 2?

• 2^7

• 2^6

• 2^5

• 2^4