什么是1407和903的最大共分数?
我们可以使用欧克里德算法计算1407和903的最大共分数. (1407,903) = (903,1407 - 903) = (903,504) = (504,903 - 504) = (504,399) = (399,504 - 399) = (399,105) = (105,399 - 3*105) = (105,84) = (84,105-84) = (84,21) =21.