Answer: 14
Step-by-step explanation:
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42, meaning the largest prime factor of 42 is 7.
Similarly, the factors of 28 are 1, 2, 4, 7, 14, 28, meaning the smallest prime number that is a factor of 28 is 2.
So, the product is 7(2) = 14.
