Explanation

To find the product:

1. Find the greatest prime factor of 88:

Factors of 88: 1, 2, 4, 8, 11, 22, 44, 88

Greatest prime factor: 11

2. Find the smallest prime factor of 117:

Factors of 117: 1, 3, 9, 13, 39, 117

Smallest prime factor: 3

Product:

11 × 3 = 33