47 is.
No, 27 is not a prime number. 3x9 = 27
the 4th prime number is 7
27 is not a prime number.
27 is composite. 27 = 3 * 3 * 3 = 3315 is composite. 15 = 3 * 521 is composite. 21 = 3 * 723 is a prime number. It is only evenly divisible by itself and one.
7 is the prime number. All the other numbers listed have factors other than 1 and itself.
41 is the prime number in this list.
11 is prime.
47 is.
The number 17 is a prime number but the number 108 is not a prime number as it can be divided by 2, 54, 4, 27, 6 and 18
No, 27 is not a prime number. 3x9 = 27
the 4th prime number is 7
29 is the next prime number after 27. But 27 is not a prime! 3 x 9 = 27!
27 is not a prime number.
27 is composite. 27 = 3 * 3 * 3 = 3315 is composite. 15 = 3 * 521 is composite. 21 = 3 * 723 is a prime number. It is only evenly divisible by itself and one.
810 is not a prime number. Its positive integer factors are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
6 12 9 18 15 30 27 54 51