As a product of its prime factors: 2*3*3*5 = 90 or as 2*32*5 = 90
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Prime Factorization of 90The prime factorization of 90 is not 2 X 5 X 9 because 9 is not a prime number. It can be factored into 3 X 3, which are prime numbers, so the prime factorization of 90 is2 X 3 X 3 X 5.
2 x 32 x 5 = 90
No prime power exists since there are no duplicate prime numbers in the prime factorization.
90 = 21 x 32 x 51
2 x 3 x 3 x 5 = 90