Question: is 52 a prime no?
Answer: For 52, the answer is: No, 52 is not a prime number. The list of all positive divisors (i.e., the list of all integers that divide 52) is as follows: 1, 2, 4, 13, 26, 52. For 52 to be a prime number, it would have been required that 52 has only two divisors, i.e., itself and 1.