Question

What greatest number of 4 digits has 125 for a factor?

Answer 1

The greatest 4 digit number is = 9999

Divide 9999 by 125 -

$125)9999(79 \\ \: \: \: \: \: \: \: \: 875 \\ \: \: \: \: \: \: - - - \\ \: \: \: \: \: \: \: \: 1249 \\ \: \: \: \: \: \: \: \: 1125 \\ \: \: \: \: \: \: - - - \\ \: \: \: \: \: \: \: \: \: 124 \: \: = \: remainder$

the remainder is = 124

substract the remainder from 9999 -

The answer is =(9999-124)= 9875

The remainder will