0 has no factors.
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The values that make each of the factors zero. In other words, you need to solve:x - 2 = 0 and: x - 5 = 0
That factors to (x - 2)(x + 7)
54 Is actually composite because composite means it has to have more factors than 2. Its factors are 1,2,3,6,9,18,27,54Composite. Its divisible by 2 and cannot be prime.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
93 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.