Question

When asked to write the prime factorization of the number 27, a student wrote 9·3. Explain the error and rite the correct answer. What would be the correct answer

Answer 1

All the numbers in the prime factorization must be prime numbers. 9 isn't a prime number, so that's the error.

The correct answer:

`27=3 * 3 * 3=3^3`