Alright, let's work through 5871 times 2590 step by step
5871 × 2590 = 2590 × (5871)
+ 2590 × 1 that is equal 2590
+ 2590 × 70 that equals 181300
+ 2590 × 800 yielding 2072000
+ 2590 × 5000 that equals 12950000

= 15205890
