Answer:
2^11 * 3^3 * 5^6.
Step-by-step explanation:
c = 2^10 * 3 * 5^6
18c = 2^10 * 3 * 5^6 * 18
= 2^10 * 5*6 * 54
= 2^10 * 5^6 * 2 * 27
= 2^10 * 5^6 * 2* 3^3
= 2^10 * 2 * 3^3 * 5^6
= 2^11 * 3^3 * 5^6
