The number 9: factors are 9, 3, and 1.
The smallest number that has exactly three factors is 4.
Three factors.
Two factors
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.
A composite number has three or more factors.
A composite number has three or more factors.
A composite number has three or more factors.
How about: 2*3*5 = 30
There are three.
30 is the first with three distinct prime factors.
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.