Find the wrong number in the following number series.

400, 689, 1050, 1579, 2306, 3381, 4750

Correct option is A

Wrong number = 2306
Pattern of series –
Addition of square of consecutive prime numbers
400 + 17² = 689
689 + 19² = 1050
1050 + 23² = 1579
1579 + 29² = 2420
2420 + 31² = 3381
3381 + 37²= 4750