4,25,121,289,? Options
A) 345  B) 445  C) 515  D) 529  E) 645
Prime numbers- 2,3,5,7,11,13,17,19,23.....   Series - 2^2,5^2,11^2,17^2,23^2   Series- 4, 25, 121, 289, 529.   So next term in series is- 529.   ANSWER:529
<result>D</result>
4,25,121,289,?