245 is not prime.
Composite: (5 x 49 or 5 x 7 x 7)
Also you can automatically determine a number as composite if:
it ends with 2, 4, 6, 8, and 0: multiples of 2; or
it ends with 5: multiples of 5.
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.
composite, 5 can go into it
121 = 11² = compisote 211 = prime 245 = 5x7² = composite 503 = prime
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.
Prime.