SOLUTION: A positive integer is called terrific if it has exactly $3$ positive divisors. What is the smallest number of primes that could divide a terrific positive integer?

SOLUTION: A positive integer is called terrific if it has exactly $3$ positive divisors. What is the smallest number of primes that could divide a terrific positive integer?

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Question 1207654: A positive integer is called terrific if it has exactly $3$ positive divisors.
What is the smallest number of primes that could divide a terrific positive integer?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
If the three divisors must be the smallest and they be prime numbers, then

I assumed each divisor should be none the same which may be incorrect.
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