At 25 ^$\circ$ C,K_c = 4 $\circ$ C for This Reaction

At 25 ^$\circ$ C,K_c = 4.1 * 10⁸ for the reaction N₂(g) + 3H₂(g) →2NH₃(g)
Calculate K at 25 ^$\circ$ C for this reaction.

A) 9.7 * 10⁷
B) 6.9 * 10⁵
C) 4.1 * 10⁸
D) 1.7 * 10⁹
E) 2.5 * 10¹¹