40 is a composite number because it has more factors than only 1 and itself. The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.
yes it is
Chat with our AI personalities
48
A composite number has three or more factors.
A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.
139 is a prime number. Prime numbers have only one prime factor: the numbers themselves.
All natural numbers (counting numbers) greater than one are either prime or composite. If divisible by only one and the number itself, it is prime; if divisible by other natural numbers, then is composite. One is the only natural number that is neither prime nor composite.