1 is the counting number that is neither a prime number nor a composite number.
The number 1.
A composite number.
Composite.
15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.15 is a composite number as it is divisible by 1, 3, 5 and 15.composite. 3*5=1515 is a composite number because it has more than 2 factors
ANSWER: 1 is the only counting number that is not prime nor composite.
1 is the counting number that is neither a prime number nor a composite number.
1.
1
The number 1.
The number 1.
1
Every positive integer greater than 1 is either prime or composite.
A composite number.
Yes. All prime numbers and composite numbers are positive integers, or whole counting numbers. That leaves infinitely many numbers that are neither prime nor composite. If you intended to narrow the scope of your question to the whole counting numbers or to the positive integers, then there are NO such numbers that are neither. A counting number, however large, will be either prime or composite.
Composite.
No. In fact, every number counting by 90, including 90 itself, is composite.