A square-shaped piece of colored paper was cut into several rectangles measuring 5 centimeters (cm) wide and 7 centimeters (cm) long. What is the minimum length in centimeters (cm) of one side of the square?
5 7 [OP_LCM]
var_a = 5
var_b = 7
var_c = var_b * var_a / math.gcd(int(var_b), int(var_a))
print(int(var_c))