It only takes three. 5 x 5 x 7 = 175
350
175x3
1 x 175, 5 x 35, 7 x 25
These all give you 175: 1 x 175, 5 x 35, 7 x 25
700
It only takes three. 5 x 5 x 7 = 175
They are: 175+176+177 = 528
350
5 and 35 5*35 =175 or 7 and 25 7*25=175
175x3
1 x 175, 5 x 35, 7 x 25.
1 x 175, 5 x 35, 7 x 25
These all give you 175: 1 x 175, 5 x 35, 7 x 25
1 x 1 x 175 1 x 5 x 35 1 x 7 x 25 5 x 5 x 7
175
1 x 175, 5 x 35, 7 x 25