what is 1 a prime or composite number
NO. 1 is neither a composite nor a prime number. 1 is neither a prime, nor a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.1  To be a prime, it must be divisible by 1 and itself.2  Since it cannot do both, it is not prime.O. 1 is neither a composite nor a prime number. 1 is neither a prime, nor a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.