Any square of a Prime number.
The number 9: factors are 9, 3, and 1.
How about: 2*3*5 = 30
The smallest number that has exactly three factors is 4.
If a number has three factors, it's a perfect square. One of those three factors (apart from 1 and the number itself) would be the square root.
Three factors.
A composite number has three or more factors.
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
30 is the first with three distinct prime factors.
The one digit number that has the same number of factors as the number six is three. Six's factors are 1, 2, 3, and 6 while three's factors are 1 and 3. Therefore, both numbers have the same number of factors.
No, no prime number has proper factors.
Eight factors.