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Add 4 times the hundreds digit to twice the tens digit to the units digit. If this sum is divisible by 8, then the original number is divisible by 8.
If this summing is repeated until a single digit remains, if this digit is 8, then the original number is divisible by 8 otherwise it gives the remainder of the original number divided by 8 (unless it is 9, in which case the remainder is 9 - 8 = 1).
7 x 4 + 9 x 2 + 6 = 28 + 18 + 6 = 52
5 x 2 + 2 = 12
1 x 2 + 2 = 4
4 is not 8, so 796 is not divisible by 8 (the remainder is 4).
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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.
Is 152 divisible by 8?
152 is divisible by 8, and the answer is 19.
If a number is divisible by 2 and 4 is it divisible by 8?
Not always for example, 36 is not divisible by 8 but it is divisible by 2 and 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!
A number is divisible by 8 if?
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.
