Since they have no common prime factors, their GCF is 1 and their LCD (LCM) is their product, 143.
Their product.
It is: 1
11
Yes, you can get a Protector on Routes 11 and13.
The lcd of 11 is 11.
195f. If that's 1/5 and 1/3, the LCD is 15.
LCD(2, 9, 11) = 198.
LCD(4, 8, 11) = 88.
11
130
Their product.
Yes.