A and B are two prime numbers such that A > B and their LCM is 209. The value of A2 - B is :

350  372 361 339

350

LCM of A and B = 209 Prime factors of 209 = 11 × 19 So, A = 19 and B = 11 [∵ A > B] Then, A2 - B = 192 - 11 = 361 - 11 = 350