Hi there! :)
28 as a Product of its prime factors
2*2*7
Remember the key word here: prime.
Prime numbers are divisible by themselves and 1.
So that's why we can't write 28 as the product of 4 and 7 if we must write it as a product of its prime factors.
Hope this helps you! :)
~Just a felicitous girlie
#HaveAnAwesomeDay
[tex]SilentNature :)[/tex]