The numbers 30 and 126, written as products of their prime factors, are 30 = 2 × 3 × 5 and 126 = 2× 3 ×3 ×7. find the largest integer which is a factor of 30 and 126.

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet