If GCD(a,b)=7\text{GCD}(a, b) = 7GCD(a,b)=7 and LCM(a,b)=147\text{LCM}(a, b) = 147LCM(a,b)=147, what is the product a⋅ba \cdot ba⋅b?
102910291029
205820582058
514.5514.5514.5
147147147