find the largest number of 4 digits which is exactly divisible by 2718 , 1615 Choose the correct choice from the following answers:
A) 8600 B) 8610 C) 8620 D) 8630 E) 8640

Rationale: explanation : lcm of 27 - 18 - 16 - 15 is 2160 . after dividing 9999 by 2160 we get 1359 remainder . so answer will be 9999 - 1359 = 8640 option e
Answer: E