In between all the 2-digit real numbers, 25 and 49 are 2-digit natural numbers with exactly three factors.
What are natural numbers?
Natural numbers are those numbers denoted as 1, 2, 3, 4,.....
To be natural numbers with exactly three factors, the numbers must be a square of any prime number.
Hence, 25 and 49 are only two 2-digit numbers which are square of 5, and 7 respectively.
Learn more about natural numbers here: https://brainly.com/question/17429689
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