It is prime
86 is not a prime number, so is a composite.
No 168 is not a prime number it is a composite number
Prime.
It is a composite number.
639 is a composite number. Its positive integer factors are: 1, 3, 9, 71, 213, 639
It's composite - it divides by 3.
Yes (213/3 = 71)
The only composite factor of 213 is 213.
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).