43 is prime; 39 is composite.
87 is a composite number
49 is.
43 is prime.
301 is not prime. 301 = 7 * 43
93 is a composite number. 29, 43, and 73 are all primes.
43 is prime; 39 is composite.
87 is a composite number
49 is.
42 is composite, 43 is prime.
43 is prime.
43 is prime.
301 is not prime. 301 = 7 * 43
No,it is a prime number.
43 is.43 is.43 is.43 is.
No, 39 is not a factor of 43. Since 43 is a prime number, its only factors are 1 and 43.
43 is a prime number because it has only two factors