Number Factors
9 - 1, 3, 9
4 - 1, 2, 4
25 - 1, 5, 25
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All numbers that are the square of primes have exactly 3 factors.
they are called numbers with 3 factors
The answer depends on what the numbers have more of when 3 factors!
Each of their square roots are prime numbers and each have only 3 factors
Well, honey, an odd number with only 3 factors is like finding a unicorn at the grocery store - rare but not impossible. The number you're looking for is 9. It's odd, and its factors are 1, 3, and 9. Voilà!