It is composite.
Every even number greater than 2 is composite.
Since 400 is an even number greater than 2, it is divisible by 2 and therefore is not a prime number.
NO. 400 is not prime.400 is a composite number because it is even so definitely it has other factors aside from 1 and itself which is 2.
It is a composite number.
It is not a prime number, it is a composite number.
It is not a prime number, it is a composite number.
It is a composite number, not a prime number.
It is a prime number, and therefore not a composite number.251 is prime.
It is a prime number, and therefore not a composite number.211 is a prime number.
It is a Prime number, and therefore not a composite number.211 is a prime number.
No 168 is not a prime number it is a composite number