13 prime
63 composite
61 prime
31 prime
Well the question should have been either, Which one of these numbers is not a composite number? Or, Which one of these numbers is not a Prime number?
31 is prime.
93 is composite.
63 is composite.
31 is prime.
39 is a composite number 1 is neither prime nor composite number 31 and 41 are prime numbers.
No, it is a prime number.
Composite. Its prime factors are 23 and 31.
It is a prime.
31 is prime.
31 is prime.
31 is a prime number
1. Is 10 a composite number?2. Is 3 a composite number?3. Is 17 a composite number?4. Is 24 a composite number?5. Is 31 a composite number?6. Is 38 a composite number?