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A number is divisible by 3 when the sum of its digits is equal to a multiple of 3. For example, 192/3 = 64, 1 + 9 + 2 = 12/3 = 4. Therefore, 192 is divisible by 3.

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Q: When is a number divisible by 3?
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Related questions

What is the converse inverse and contrapositive If every digit of a number is divisible by 3 then the number is divisible by 3?

Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.


35 is a number divisible by 3 what number is?

35 is not divisible by 3.


Indentify the conclusion what conditional a number is divisible by 3 if the sum of the digits of the number is divisible by 3?

If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.


What number is divisible by 6 but not 3?

There is no such number. Since 6 is divisible by 3, then any number that is divisible by 6 automatically has to be divisible by 3.


A number is divisible by 3 if the blank is divisible by 3?

A number is divisible by 3 if the sum of its digits is divisible by 3.


Is 5193 a prime number?

No, it is divisible by 3.No, it is divisible by 3.No, it is divisible by 3.No, it is divisible by 3.


Is 1 trillion 17 a prime number?

Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.


Divisible by 3?

If the sum of the digits of a number is divisible by 3 ,then the number is divisible by 3.. is 36 is right


What is the converse of the sentence A number divisible by 9 is also divisible by 3?

If a number is not divisible by 3 then it is not divisible by 9.


What is the smallest digit number divisible by 3?

the number 3 is divisible by 3


A number is divisible by 6 if and only if it is divisible by 3?

If this is a T-F question, the answer is false. It is true that if a number is divisible by 6, it also divisible by 3. This is true because 6 is divisible by 3. However, the converse -- If a number is divisible by 3, it is divisible by 6, is false. A counterexample is 15. 15 is divisible by 3, but not by 6. It becomes clearer if you split the question into its two parts. A number is divisible by 6 if it is divisible by 3? False. It must also be divisible by 2. A number is divisible by 6 only if it is divisible by 3? True.


How do you know that a number is divisible by 15?

A number that is divisible by 15 is divisible both by 5 and 3 A number is divisible by 5 if it ends with 0 or 5 A number is divisible by 3 if the sum of its digits is divisible by 3 e.g. 4035 is divisible by 15 as it ends with a 5 and 4+0+3+5=12 which is divisible by 3