What number do I multiply by to give me 1,428 outof 1,2,6, and8.
2 answers
Divide 1,428 by each of those numbers. What do you get?
There are some short cuts:
1 will always work
since the number is even (ends in 8)
the number is divisible by 2.
If the sum of the digits is divisible by 3 then the number is divisible by 3.
If the number is divisible by 2 and 3 then it is divisible by 6.
1 will always work
since the number is even (ends in 8)
the number is divisible by 2.
If the sum of the digits is divisible by 3 then the number is divisible by 3.
If the number is divisible by 2 and 3 then it is divisible by 6.