Yes.
27 is not a prime number.
Yes, a prime number can be used in a fraction. For example, 7/9, where 7 is the prime number. Or 7/13, where both are prime numbers.
7 and/or 13
4459 is a composite number, not a prime number. Its factors are 1, 7, 13, 49, 91, 343, 637, and 4459. Its prime factorization is 7 x 7 x 7 x 13 (or 73 x 13).
The numbers 5, 7, 11 and 13 are prime (including the boundaries).
No 91=13*7
13 and 7
91 is one of the numbers which has prime factors. 91=13 x 7. Here, 13 & 7 both are prime numbers.
3367 is a composite number. Its prime factors are 7, 13, 37
Super-primes are those prime numbers which are identified with prime numbers when arranged in a list in ascending order starting with 2 (the least prime number).To identify super-primes, number a list of prime numbers (2, 3, 5, 7, 11, 13, etc.) in ascending order:2 is number 13 is number 2 (2 is a prime)5 is number 3 (3 is a prime)7 is number 411 is number 5 (5 is a prime)13 is number 617 is number 7 (7 is a prime)19 is number 823 is number 929 is number 1031 is number 11 (11 is a prime)37 is number 1241 is number 13 (13 is a prime)The super-primes less than 100 are 2, 3, 11, 17, 31, 41, 59, 67, and 83.
364 is not prime. 364 = 2 * 2 * 7 * 13
7 x 13