Question

理工数学

In a certain game,a large container is filled with red,yellow,green,and blue beads worth,respectively,7,5,3,and 2 points each .A number of beads are then removed from the container.If the product of the point values of the removed beads is 147,000,how many red beads were removed?
大罐子里有红黄绿蓝珠子，各值7，5,3,2分。一些珠子被拿走了。如果这些被拿走的珠子的乘积是147000，多少个红的被拿走了？

Answer 1

这个很简单啊。把14700依7，5，3，2进行因式分解，到最后分别有几个就知道了。
答案如下，请参考：
14700=7^2x5^3x3^1x2^3