Question

B={x is such that x is a prime divisor of 120}​

Answer 1

Answer:

B = { 2,3,5 }

You have to do a prime factorization for this.

You know how?

$120 \: 2 \\ 60 \: 2 \\ 30 \: 2 \\ 15 \: 3 \\ 5 \: 5 \\ 1$

Thus is the prime factorization through which we get,

$120 = 2 \times 2 \times 2 \times 3 \times 5$

$120 = {2}^{3} \times {3}^{1} \times {5}^{1}$

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