79 is a prime number
79 isn't a composite number because its only factors are 1 and itself.
79 is prime.
49 is composite.
79-prime (1 times 79) 69-composite (2 times 69)
It has none because 79 is a prime number
68 is composite and 79 is prime
prime
If you mean 29, 39, 59 and 79 then it is 39 that is the only composite number.
Prime Number
711 is a composite number. 711 = 3 * 3 * 79
237 is composite number 2, 79 and 107 are prime numbers.