Which is the prime factorization of twenty-eight?

two times fourteen

two times two times seven

four times seven

one times twenty-eight

Question

Which is the prime factorization of twenty-eight?

two times fourteen

two times two times seven

four times seven

one times twenty-eight

phi · Answer

A prime number does not have any factors except itself and 1

any answer that does not have primes is wrong.

jim_thompson5910 · Answer

Start with the number 28

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phi · Answer

also, the prime factorization will have more numbers than a factorization that has some composite factors.

jim_thompson5910 · Answer

Then break that number into 4*7

This works because 28 = 4*7. 

Write each factor below 28 on their own separate branch like this

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