The number 25 is a composite number so, it is possible to factorize it. In other words, 25 can be divided by 1, by itself and at least by 5. A composite number is a positive integer that has at least one positive divisor other than one or the number itself. In other words, a composite number is any integer greater than one that is not a prime number.
The prime factorization of 25 = 52.