There are several ways for such a number to be constructed:
It can be the seventh power of a prime.
It can be the third power of a prime multiplied by the third power of another prime.
It can be the third power of a prime multiplied by the first power of two other primes.
It can be the first power of three different primes.
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Prime numbers.
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
Prime numbers have exactly two factors. 53 and 59 are prime numbers.
12 has exactly 6 factors ^.^ 1x12 3x4 2x6
exactly 2