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Divisibility Rules for 3, 6, and 9
A number is divisible by another number if there is no remainder.
Study the table below. Find out why the given numbers are divisible by 3, 6 or 9.
e
3
2133
Numbers Divisible by
6
5244
81120
774
9
702
3654
25803
78
112311
Knowing the divisibility rules for 3, 6 and 9 will help you find the factors of a
number just by examining the sum of all its digits.
Divisibility Rules for 3, 6, and 9
A number is divisible by another number if there is no remainder.
Study the table below. Find out why the given numbers are divisible by 3, 6 or 9.
e
3
2133
Numbers Divisible by
6
5244
81120
774
9
702
3654
25803
78
112311
Knowing the divisibility rules for 3, 6 and 9 will help you find the factors of a
number just by examining the sum of all its digits.
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Answer:
Divisible by 3 if the sum of all digits can be divided by 3.
Example: 2133 => 2+1+3+3 = 12, therefore it is divisible by 3.,
Divisible by 6 if the number is both divisible by 2 and 3.
Example: 5244 => 5+2+4+4 = 15, therefore it is divisible by 3 and
5244 => last digit is 4, therefore it is divisible by 2.
The number 5244 is both divisible by 2 and 3.
Divisible by 9 if the sum of all digits can be divided by 9.
Example: 702 => 7+0+2 = 9, therefore it is divisible by 9.