Alright, let's work through 5143 times 7743 step by step
5143 × 7743 = 7743 × (5143)
+ 7743 × 3 producing 23229
+ 7743 × 40 that is equal 309720
+ 7743 × 100 yielding 774300
+ 7743 × 5000 that results in 38715000

= 39822249
