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If the number formed by the last three digits is divisible by 8.

Alternatively, if the number is divisible by 2, the quotient is divisible by 2 and that quotient is divisible by 2.

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Q: A number is divisible by 8 if?
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When is a number divisible by 8?

If the last 3 digits are divisible by 8, the number is divisible by 8.


A number is divisible by 8 the number formed by its last?

If the last three digits of a number are divisible by 8, the whole number is divisible by 8.


What is the smallest number divisible by 8?

There is no smallest number since if any number is divisible by 8, then 8 less than that number is also divisible by 8 - and that argument continues all the way to minus infinity!The smallest positive number divisible by 8 is 8, itself.


If 4 is divisible by a number will 8 be too?

4 is divisible by 1, 2 and 4. So is 8. If a number is divisible by 8, it will also be divisible by 4.


How do you know what is divisible by 8?

If you have a few different numbers that you are using, divide them each by 8 and if you get a whole number, that number is divisible. If you are trying to figure out what is divisible by 8, you can use a divisibility test.A number is divisible by 8 if:the number formed by the last three digits is divisible by 8.So, an example of this would be:7, 120.This number is divisible by 8 because 120 (the last 3 digits) is divisible by 8!


Is a number divisible by 4 also a divisible by 8?

Every other number: 8, 16, 24, 32, 40... No, a number can be divisible by 4 but not divisible by 8; an example is 12.


What is a number that divisible by 2 and also divisible by 8?

no.. for example 6,12,18 are divisible by 2..but not divisible by 8.


How do you know when a number is divisible by 8?

Numbers are divisible by 8 if the number formed by the last three individual digits is evenly divisible by 8. For example, the last three digits of the number 3624 is 624, which is evenly divisible by 8 so 3624 is evenly divisible by 8.


How do you test if a number is divisible by 8?

Because 8 is 2 cubed, you can test if a number is divisible by 8 by dividing it by 2 three times. If the number you reach is an integer, then the number is divisible by 8. For example, 72/2 = 36/2 = 18/2 = 9. Therefore, 72 is divisible by 8. For very large numbers, if the last three digits are divisible by 8, the number itself is divisible by 8.


How do i find out if a number is divisible by 4 or 8?

If the number is a multiple of 4 or 8 then it is divisible by 4 and 8 with no remainder If a number can be halved and the answer is even, it was divisible by 4.If the number can be halved twice and the answer is stilleven, it was divisble by 8.


How can you smartly guess if a number is a multiple of 8?

A number is divisible by 8 if its last three digits form a number that is divisible by 8.


Is it true that a number is divisible by 8 if it divisible by 4 and divisible by 2?

Being divisible by 4, means that it will also be divisible by 2, so that doesn't tell you anything about divisibility by 8. But if you divide the number by 2, and this quotient is divisible by 4, then yes the original number is divisible by 8.