you can add all the numbers together, all the digits, and if it is a multiple of three, it is divisible by three.
12336 - 1+2+3+3+6 = 15
yes, it's divisible.
Hey, could I have some help for this? Thanks!
Describe a rule for deciding if a number is divisible by three. Consider numbers above 1000 as well.
~Slappy~
1 answer