Question

For every even positive integer m, f (m) represents the product of all even integers from 2 to m, inclusive. for example, f (12) = 2 × 4 × 6 × 8 × 10 × 12. what is the greatest prime factor of f (24) ?

Answer 1

Short Answer: 11
f(24) = 2 * 4 * 6 * 8 * 10 * 12 * 14 * 16 * 18 * 20 * 22 * 24

Answer 22 = 2 * 11

The largest prime factor for f(24) = 11