A prime number is a number that can only be divided for 1 and itself.
The right answer is B, 1053 is NOT prime. It can be divided for 1, 3, 9, 13, 27, 39, 81, 117, 351, 1053.
The numbers given are length-15 width-10 and height-2
perimeter: 50 feet (15 + 10 + 15 + 10)
area: 150 feet (15 × 10)
volume: 300 feet (15 × 10 × 2)
Differnce of 2 pefect squares
a^2-b^2=(a-b)(a+b)
(p^2)^2-9^2=(p^2-9)(p^2+9)
p^2-9=(p-3)(p+3)
factored is
(p-3)(p+3)(p^2+9)
