Alright, let's work through 5172 times 9917 step by step
5172 × 9917 = 9917 × (5172)
+ 9917 × 2 giving us 19834
+ 9917 × 70 which equals 694190
+ 9917 × 100 resulting in 991700
+ 9917 × 5000 which equals 49585000

= 51290724
