477 = 3 * 3 * 7
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no it is not because 3*159=477
477 is a composite number. Its factors are 1, 3, 9, 53, 159, and 477.
No, 3x5x4 is not a prime factorization of 60. A prime factorization of 60 would consist of only prime numbers. The prime factorization of 60 is 2x2x3x5.
When all the factors are prime numbers, that's a prime factorization.
Prime factorization!