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Q: How do you find out if a number is divisible by 3?
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Is 2690 divisible by 3?

No, and here is why: If you want to find out of a number is divisible by 3, you add up the numerals in the number, and see if that total is divisible by 3. In this case, we find that 2+6+9+0 equals 17. 17 is not divisible by 3, therefore, 2690 is not divisible by 3 either.


How do you know if the number is divisible by 6?

The Answer :)If the number is divisible by 2andIf the number is divisible by 3To find out if the number is divisible by 2 you look at the last digit of the number and see if it's an even number...ex: 420 you look at the 0 and 0 is a even number so 420 is divisible by 2.To find out if a number is divisible by 3 you add all the digits together and then see if the sum is divisible by 3...ex: 420 you add 4+2+0= 6 . and 6 is divisible by 3 so the number 420 is divisible by 3.yeah!


How can you say that a certain number is divisible by 3?

to find out wheathr a certain number is divisible by 3 just add up the digits. for ex:- 534=5+3+4=12=1+2=3 since 3 is divisible by 3 therefore 534 is divisible by 3


Divisible by 3?

If the sum of the digits of a number is divisible by 3 ,then the number is divisible by 3.. is 36 is right


Is 1 trillion 17 a prime number?

Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.

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