The gcf of the numbers are 15
not possible because the area of a square is always a square of it's length and a square cannot be a prime number
Prime factorization of 620:
620
2 310
2 155
5 31
31 1
X4-x2≥ 2x~~~2x≥ 2x True
Because " _ " is the same thing with "=" ; and because 2x=2x then 2x≥ 2x ~~~~~~Have a nice day!!! ★★