158 is composite.
It is composite, and the first give-away is that it is an even number (divisible by 2).
158 is a composite number because it has factors other than 1 and itself. It is not a prime number. The 4 factors of 158 are 1, 2, 79, and 158. The prime factors of 158 are 2 and 79. The prime factorization of 158 is 2 x 79. NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
It is not a prime number, it is a composite number.
It is prime
86 is not a prime number, so is a composite.
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
The number is not COMPOSITE. Instead, it is a prime number.
A prime number has two factors, a composite number has more than two.
Composite (the only even number that is prime is2).
It is 1 that is neither a prime or a composite number The number 1 is neither prime nor composite.