Alright, let's work through 5001 times 8591 step by step
5001 × 8591 = 8591 × (5001)
+ 8591 × 1 resulting in 8591
+ 8591 × 00 yielding 0
+ 8591 × 000 that is equal 0
+ 8591 × 5000 which equals 42955000

= 42963591
