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if we have a number and the sum of its digits is divisible on 3 then the number its self is divisible by 3?
it is required to prove this statement
6 Answers
- Anonymous1 decade agoFavorite Answer
Yes that is correct... In fact that is a way to check to see if any number is divisible by 3. Sum up all the individual digits and then see if the sum is divisible by 3.
eg: 12345
If we sum up the individual numbers, we get 15. And 15 is divisible by 3!
- Anonymous1 decade ago
if the sum of the digits add up to 3, 6, or 9, the number is divisible by 3. Keep adding to get a single digit.
- 1 decade ago
The statement is true. In fact, this is how I always see if a number can be divisible by 3. You can use any number you like. It even works for decimal fractions.
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