"Divide by 9 she8, divide by 8 she7, divide by 7 she6, divide by 6 she5, divide by 5 she4, divide by 4 she3, divide by 3 she2, divide by 2 she 1, divide by 8 minus 1 and divide by 7 minus/kloc-0".
Divided by 9, divided by 8, divided by 7, divided by 6, divided by 5, divided by 4, divided by 3, divided by 2 are all 1 less.
If the division of 9, 8, 7, 6, 5, 4, 3 and 2 can be divided, then the minimum number should be
Least common multiple of 9, 8, 7, 6, 5, 4, 3 and 2-15 120
To make sure it is
Six digits
, put
15 120 is expanded into six digits, that is,15120× 7 =105840.
Because it is inseparable, it is still missing 1, so it is still used.
105840- 1= 105839
Process:
= 15 120
15 120×7= 105840
105840- 1= 105839
A: This number is 105839.