Divisibility Rules
A number is divisible by 6 if the digits in the number add to multiple of 3 and
original number was even
original number was even
E.G. 24612 adds to 2+4+6+1+2=fifteen
A number is divisible by 9 if the digits add up to multiple of 9
E.g. 125325 adds to
1+2+5+3+2+5
=18 so it is a multiple of nine and can be divided by 9
A number is divisible by 3 if the digits in the number add
to a multiple of 3.
to a multiple of 3.
E.g. 231 = 2+3+1=6 and six is a multiple of 3
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ReplyDeleteHi Noah
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