Question

what least number must be subtracted from 1672 to obtain a number which is completely divisible by 17?

Answer 1

1672 is divided by 17
Remainder is 6.
 1672 = 17 * 98 + 6
Or, 1672 - 6 = 17 * 98
1672 - 6 is completely divisible by 17
6

Answer 2

1672/17  leaves 6 as remainder

so,6 should be subtracted from 1672