Is 287 Divisible By 11?

If you divide 287 by 11 and the quotient is a whole number without a remainder, then 287 is divisible by 11. To find out if 287 is divisible by 11 you could therefore simply enter 287 divided by 11 into your calculator to see if you get a remainder - however, we will show you a better method to determine if 287 is divisible by 11 without a calculator.

To find out if any number such as 287 is divisible by 11, you split 287 into individual digits and then alternate subtracting and adding the digits. If the absolute value of the result is divisible by 11, then 287 is divisible by 11. Here is the math:

2 - 8 + 7 = 1
|1| = 1

1 is not divisible by 11, therefore the answer to "Is 287 divisible by 11?" is No.

Divisible by 11
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Is 288 divisible by 11?
Here is a similar problem we have explained and answered using the same technique we used above.