Answer:
5 × 5
Explanation:
A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers.
A natural number greater than 1 that is not prime is called a composite number.
25 is a composite number because it is the product of two smaller prime numbers, 5 and 5.
Therefore, the prime factorization of 25 is 5 × 5.