Prime.
Prime.
acomposite number
composite
142 is composite. All whole numbers ending in two are composite except the number two itself, which is prime.
51 is a composite number because it has more than two factors.
Acomposite number has more than two factors whereas a prime number has only two factors
7 is already prime; no factorization required.
7 is a prime number. Its only prime factor is itself.
There are not five prime factors of 7. There is only one prime factor of 7 because 7 is a prime number. The factors of 7 are 1 and 7; the prime factor of 7 is 7.
Prime. It is only divisible by itself and one.
The median of the first 7 is the fourth prime = 7.The median of the first 7 is the fourth prime = 7.The median of the first 7 is the fourth prime = 7.The median of the first 7 is the fourth prime = 7.
7 is a prime number!