Is 643 Divisible By 2?
There are actually many ways of determining if 643 is divisible by 2. Here we will show you different methods:
Even Number Method:
If 643 is an even number, then it is divisible by 2. 643 is not an even number, thus 643 is not divisible by 2.
Last Digit Method:
If the last digit in 643 is 0, 2, 4, 6, or 8, then 643 is divisible by 2. The last digit in 643 is 3, thus 643 is not divisible by 2.
Divide By 2 Method:
If you divide 643 by 2 and the quotient is an integer, then 643 is divisible by 2. 643 divided by 2 is 321.5. 321.5 is not an integer, thus 643 is not divisible by 2.
As you can see, all the methods above provide the same answer to "Is 643 divisible by 2?". The answer is no.
Is 644 Divisible by 2?
Here is our next "Divisible by 2" calculation. Try to figure out the answer using one of our methods before you go to check the answer.