请教一道PS题

Estelleee

if y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then y must be
答案是14，怎么求呢

小小宁

3,150 = 5*5*3*3*2*7
差2和7

Estelleee

小小宁 发表于 2023-8-26 15:39
3,150 = 5*5*3*3*2*7
差2和7

十分感谢！