Question

find the LCM of 400 and 275

Answer 1

4400 is the L C M of 400 and 275

Answer 2

To get the Least Common Multiple (LCM) of 400 and 275 we need to factor each value first and then we choose all the factors which appear in any column and multiply them: 

400:   222255

275:        5511

LCM:   22225511

The Least Common Multiple (LCM) is:   
2 x 2 x 2 x 2 x 5 x 5 x 11 = 4400