The least number which when increased by 6 each divisible by each one of 24, 32, 36 and 54 is :  Choose the correct choice:
A) 858
B) 859
C) 869
D) 4320
E) none of these

Rationale: "solution required number = ( l . c . m . of 24 , 32 , 36 , 54 ) - 5 = 864 - 6 = 858 . answer a"
Answer: A