No, 13 is not a composite number.
(2X3X5X13X17) + 13 = 6643 This is a composite number.
No 13 is not a composite number. 13 is only divisible by 1 and itself. So it is a prime number.
No, 13 is a prime number and 15 is a composite number. A composite number is a positive integer that has more than two positive divisors.
63 is composite.
377 is a composite number because it is divisible by 29 and 13.
13 is prime.
39 would be a composite number because not only does it have 1 as a factor but it has 13 and 3 because 13*3 39 is a composite number. Other than itself and 1, its other positive integer factors are 3 and 13.
91 is a composite number. The factors of 91 are 7 and 13
13 is not a composite number because it has only two factors which are itself and one which means that it is a prime number.
91 is a composite number. This is because composite numbers are any number that has another factor besides one and itself. Therefore, since 7 and 13 are factors of 91 that makes it a composite number.
It is a prime number.