If both 7^2 and 3^3 are factors of the number a*4^3*6^2*13^11, then what is the smallest possible value of a?  Choose the correct answer:
A) 99	B) 147	C) 363	D) 1200	E) 1625
The number a must include at least 3*7^2 = 147   The answer is 147.
<result>B</result>
If both 7^2 and 3^3 are factors of the number a*4^3*6^2*13^11, then what is the smallest possible value of a?