30 has factors of 2,3 and 5
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Well, the factors of a prime number is that they only have two factors.
A composite number has more than two factors whereas a prime number has only two factors
1 is the only number between 1 and 100 that has too few factors to be a prime number.
A prime number is a positive integer that has exactly two different factors: 1 and itself. This is why 1 is not a prime number: it has the factors 1 and itself, but they are the same - it does not have exactly two different factors.
a prime number